Add 3/70 and 12/81
3/70 + 12/81 is 361/1890.
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,
3/70 = 3 × 81/70 × 81 = 243/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
12/81 = 12 × 70/81 × 70 = 840/5670 - Add the two like fractions:
243/5670 + 840/5670 = 243 + 840/5670 = 1083/5670 - 1083/5670 simplified gives 361/1890
- So, 3/70 + 12/81 = 361/1890
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