Subtract 42/70 from 35/60
35/60 - 42/70 is -1/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
35/60 = 35 × 7/60 × 7 = 245/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
42/70 = 42 × 6/70 × 6 = 252/420 - Subtract the two like fractions:
245/420 - 252/420 = 245 - 252/420 = -7/420 - After reducing the fraction, the answer is -1/60
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