Subtract 3/28 from 98/20
1st number: 4 18/20, 2nd number: 3/28
98/20 - 3/28 is 671/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
98/20 = 98 × 7/20 × 7 = 686/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Subtract the two like fractions:
686/140 - 15/140 = 686 - 15/140 = 671/140 - In mixed form: 4111/140
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