Subtract 21/96 from 42/30
1st number: 1 12/30, 2nd number: 21/96
42/30 - 21/96 is 189/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
42/30 = 42 × 16/30 × 16 = 672/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
21/96 = 21 × 5/96 × 5 = 105/480 - Subtract the two like fractions:
672/480 - 105/480 = 672 - 105/480 = 567/480 - After reducing the fraction, the answer is 189/160
- In mixed form: 129/160
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