Subtract 70/42 from 60/84
1st number: 60/84, 2nd number: 1 28/42
60/84 - 70/42 is -20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
60/84 = 60 × 1/84 × 1 = 60/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
70/42 = 70 × 2/42 × 2 = 140/84 - Subtract the two like fractions:
60/84 - 140/84 = 60 - 140/84 = -80/84 - After reducing the fraction, the answer is -20/21
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Related: 60/84-70/84