Subtract 21/96 from 42/20
1st number: 2 2/20, 2nd number: 21/96
42/20 - 21/96 is 301/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 20 × 24 = 480,
42/20 = 42 × 24/20 × 24 = 1008/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
21/96 = 21 × 5/96 × 5 = 105/480 - Subtract the two like fractions:
1008/480 - 105/480 = 1008 - 105/480 = 903/480 - After reducing the fraction, the answer is 301/160
- In mixed form: 1141/160
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