Add 6/70 and 40/81
6/70 + 40/81 is 1643/2835.
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,
6/70 = 6 × 81/70 × 81 = 486/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
40/81 = 40 × 70/81 × 70 = 2800/5670 - Add the two like fractions:
486/5670 + 2800/5670 = 486 + 2800/5670 = 3286/5670 - 3286/5670 simplified gives 1643/2835
- So, 6/70 + 40/81 = 1643/2835
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