Add 4/81 and 2/70
4/81 + 2/70 is 221/2835.
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,
4/81 = 4 × 70/81 × 70 = 280/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
2/70 = 2 × 81/70 × 81 = 162/5670 - Add the two like fractions:
280/5670 + 162/5670 = 280 + 162/5670 = 442/5670 - 442/5670 simplified gives 221/2835
- So, 4/81 + 2/70 = 221/2835
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