Add 7/12 and 21/70
7/12 + 21/70 is 53/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
7/12 = 7 × 35/12 × 35 = 245/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
21/70 = 21 × 6/70 × 6 = 126/420 - Add the two like fractions:
245/420 + 126/420 = 245 + 126/420 = 371/420 - 371/420 simplified gives 53/60
- So, 7/12 + 21/70 = 53/60
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