Add 60/70 and 63/81
60/70 + 63/81 is 103/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
60/70 = 60 × 81/70 × 81 = 4860/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
63/81 = 63 × 70/81 × 70 = 4410/5670 - Add the two like fractions:
4860/5670 + 4410/5670 = 4860 + 4410/5670 = 9270/5670 - 9270/5670 simplified gives 103/63
- So, 60/70 + 63/81 = 103/63
In mixed form: 140/63
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