Subtract 56/20 from 9/70
1st number: 9/70, 2nd number: 2 16/20
9/70 - 56/20 is -187/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
9/70 = 9 × 2/70 × 2 = 18/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Subtract the two like fractions:
18/140 - 392/140 = 18 - 392/140 = -374/140 - After reducing the fraction, the answer is -187/70
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