Subtract 3/70 from 81/5
1st number: 16 1/5, 2nd number: 3/70
81/5 - 3/70 is 1131/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
81/5 = 81 × 14/5 × 14 = 1134/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
3/70 = 3 × 1/70 × 1 = 3/70 - Subtract the two like fractions:
1134/70 - 3/70 = 1134 - 3/70 = 1131/70 - In mixed form: 1611/70
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