Add 3/81 and 5/70
3/81 + 5/70 is 41/378.
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,
3/81 = 3 × 70/81 × 70 = 210/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
5/70 = 5 × 81/70 × 81 = 405/5670 - Add the two like fractions:
210/5670 + 405/5670 = 210 + 405/5670 = 615/5670 - 615/5670 simplified gives 41/378
- So, 3/81 + 5/70 = 41/378
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