Subtract 56/28 from 90/5
1st number: 18 0/5, 2nd number: 2 0/28
90/5 - 56/28 is 16/1.
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,
90/5 = 90 × 28/5 × 28 = 2520/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
56/28 = 56 × 5/28 × 5 = 280/140 - Subtract the two like fractions:
2520/140 - 280/140 = 2520 - 280/140 = 2240/140 - After reducing the fraction, the answer is 16/1
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