1- Find the common denominator.
2- Add both numerators then add both denominators.
3- Simplify if you can.
e.g.:
1/2 + 1/4=
2/4 + 1/4= 3/4
Adding Mixed Numbers:
1- Convert mixed numbers into improper fractions.
2- Find the common denominator.
3- Add both numerators and then add both denominators.
4- Convert improper fraction to mixed number.
5- Simplify if you can.
1- Convert mixed numbers into improper fractions.
2- Find the common denominator.
3- Add both numerators and then add both denominators.
4- Convert improper fraction to mixed number.
5- Simplify if you can.
e.g.:
1 1/2 + 1 1/3=
3/2 + 4/3=
9/6 + 8/6= 17/6 = 2 5/6
Subtracting Fractions:
1- Find common denominators.
2- Subtract numerators and leave the denominator as it is.
3- Simplify if you can.
1- Find common denominators.
2- Subtract numerators and leave the denominator as it is.
3- Simplify if you can.
e.g.:
1/2 - 3/4=
2/4 - 3/4= 1/4
Multiplying Fractions:
1- Find common denominator.
2- Multiply both numerators and multiply both denominators.
3- Simplify if you can.
1- Find common denominator.
2- Multiply both numerators and multiply both denominators.
3- Simplify if you can.
e.g.:
2/3 x 3/4=
8/12 x 9/12= 72/12 = 6
Multiplying Mixed Numbers:
1- Convert mixed numbers to improper fractions.
2- Find common denominator.
3- Multiply both numerators and then multiply both denominators.
4- Simplify if you can
1- Convert mixed numbers to improper fractions.
2- Find common denominator.
3- Multiply both numerators and then multiply both denominators.
4- Simplify if you can
e.g.:
1 1/2 x 1 2/4=
3/2 x 6/4= 18/4 = 4 2/4
Dividing Fractions:
1- Find the reciprocal of one of the fractions.
2- Multiply both of the numerators and then multiply both of the denominators.
3- Simplify if you can
1- Find the reciprocal of one of the fractions.
2- Multiply both of the numerators and then multiply both of the denominators.
3- Simplify if you can
e.g.:
4/8 * 2/4=
4/8 x 4/2= 16/16 = 1<-----the answer
2/4 x 4/2= 1
Dividing Mixed Numbers:
1- Convert mixed numbers to improper fractions.
2- Find the reciprocal of one of the fractions.
3- Multiply both numerators and then multiply both denominators.
4- Simplify if you can
1- Convert mixed numbers to improper fractions.
2- Find the reciprocal of one of the fractions.
3- Multiply both numerators and then multiply both denominators.
4- Simplify if you can
e.g.:
1 2/3 * 1 1/2=
5/3 * 3/2=
5/3 x 2/3= 10/9 = 1 1/9<-----the answer
3/2 x 2/3= 1
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