Subtract 21/15 from 3/32
1st number: 3/32, 2nd number: 1 6/15
3/32 - 21/15 is -209/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 15 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
3/32 = 3 × 15/32 × 15 = 45/480 - Likewise, for the 2nd fraction, since 15 × 32 = 480,
21/15 = 21 × 32/15 × 32 = 672/480 - Subtract the two like fractions:
45/480 - 672/480 = 45 - 672/480 = -627/480 - After reducing the fraction, the answer is -209/160
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