Subtract 21/9 from 30/32
1st number: 30/32, 2nd number: 2 3/9
30/32 - 21/9 is -67/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
30/32 = 30 × 9/32 × 9 = 270/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
21/9 = 21 × 32/9 × 32 = 672/288 - Subtract the two like fractions:
270/288 - 672/288 = 270 - 672/288 = -402/288 - After reducing the fraction, the answer is -67/48
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