Subtract 81/5 from 5/70
1st number: 5/70, 2nd number: 16 1/5
5/70 - 81/5 is -1129/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
81/5 = 81 × 14/5 × 14 = 1134/70 - Subtract the two like fractions:
5/70 - 1134/70 = 5 - 1134/70 = -1129/70
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