Subtract 56/60 from 45/70
45/70 - 56/60 is -61/210.
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,
45/70 = 45 × 6/70 × 6 = 270/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
56/60 = 56 × 7/60 × 7 = 392/420 - Subtract the two like fractions:
270/420 - 392/420 = 270 - 392/420 = -122/420 - After reducing the fraction, the answer is -61/210
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Related: 90/70-56/60