Subtract 84/60 from 42/70
1st number: 42/70, 2nd number: 1 24/60
42/70 - 84/60 is -4/5.
Steps for subtracting 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,
42/70 = 42 × 6/70 × 6 = 252/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Subtract the two like fractions:
252/420 - 588/420 = 252 - 588/420 = -336/420 - After reducing the fraction, the answer is -4/5
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Related: 84/70-84/60