Subtract 2/28 from 81/5
1st number: 16 1/5, 2nd number: 2/28
81/5 - 2/28 is 1129/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
81/5 = 81 × 28/5 × 28 = 2268/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
2/28 = 2 × 5/28 × 5 = 10/140 - Subtract the two like fractions:
2268/140 - 10/140 = 2268 - 10/140 = 2258/140 - After reducing the fraction, the answer is 1129/70
- In mixed form: 169/70
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