Subtract 30/32 from 30/21
1st number: 1 9/21, 2nd number: 30/32
30/21 - 30/32 is 55/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
30/21 = 30 × 32/21 × 32 = 960/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Subtract the two like fractions:
960/672 - 630/672 = 960 - 630/672 = 330/672 - After reducing the fraction, the answer is 55/112
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