Subtract 12/9 from 42/16
1st number: 2 10/16, 2nd number: 1 3/9
42/16 - 12/9 is 31/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
12/9 = 12 × 16/9 × 16 = 192/144 - Subtract the two like fractions:
378/144 - 192/144 = 378 - 192/144 = 186/144 - After reducing the fraction, the answer is 31/24
- In mixed form: 17/24
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