Subtract 21/40 from 42/25
1st number: 1 17/25, 2nd number: 21/40
42/25 - 21/40 is 231/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
42/25 = 42 × 8/25 × 8 = 336/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
21/40 = 21 × 5/40 × 5 = 105/200 - Subtract the two like fractions:
336/200 - 105/200 = 336 - 105/200 = 231/200 - In mixed form: 131/200
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