Add 12/81 and 5/70
12/81 + 5/70 is 83/378.
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,
12/81 = 12 × 70/81 × 70 = 840/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
5/70 = 5 × 81/70 × 81 = 405/5670 - Add the two like fractions:
840/5670 + 405/5670 = 840 + 405/5670 = 1245/5670 - 1245/5670 simplified gives 83/378
- So, 12/81 + 5/70 = 83/378
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