Add 42/70 and 6/81
42/70 + 6/81 is 91/135.
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,
42/70 = 42 × 81/70 × 81 = 3402/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
6/81 = 6 × 70/81 × 70 = 420/5670 - Add the two like fractions:
3402/5670 + 420/5670 = 3402 + 420/5670 = 3822/5670 - 3822/5670 simplified gives 91/135
- So, 42/70 + 6/81 = 91/135
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