Subtract 21/40 from 98/60
1st number: 1 38/60, 2nd number: 21/40
98/60 - 21/40 is 133/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
98/60 = 98 × 2/60 × 2 = 196/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
21/40 = 21 × 3/40 × 3 = 63/120 - Subtract the two like fractions:
196/120 - 63/120 = 196 - 63/120 = 133/120 - In mixed form: 113/120
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