Add 8/81 and 63/70
8/81 + 63/70 is 809/810.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
8/81 = 8 × 70/81 × 70 = 560/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
63/70 = 63 × 81/70 × 81 = 5103/5670 - Add the two like fractions:
560/5670 + 5103/5670 = 560 + 5103/5670 = 5663/5670 - 5663/5670 simplified gives 809/810
- So, 8/81 + 63/70 = 809/810
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