Add 42/81 and 3/70
42/81 + 3/70 is 1061/1890.
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,
42/81 = 42 × 70/81 × 70 = 2940/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
3/70 = 3 × 81/70 × 81 = 243/5670 - Add the two like fractions:
2940/5670 + 243/5670 = 2940 + 243/5670 = 3183/5670 - 3183/5670 simplified gives 1061/1890
- So, 42/81 + 3/70 = 1061/1890
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