Subtract 18/28 from 8/5
1st number: 1 3/5, 2nd number: 18/28
8/5 - 18/28 is 67/70.
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,
8/5 = 8 × 28/5 × 28 = 224/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Subtract the two like fractions:
224/140 - 90/140 = 224 - 90/140 = 134/140 - After reducing the fraction, the answer is 67/70
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