Add 15/70 and 42/60
15/70 + 42/60 is 32/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
15/70 = 15 × 6/70 × 6 = 90/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Add the two like fractions:
90/420 + 294/420 = 90 + 294/420 = 384/420 - 384/420 simplified gives 32/35
- So, 15/70 + 42/60 = 32/35
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