Subtract 42/16 from 20/9
1st number: 2 2/9, 2nd number: 2 10/16
20/9 - 42/16 is -29/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
20/9 = 20 × 16/9 × 16 = 320/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Subtract the two like fractions:
320/144 - 378/144 = 320 - 378/144 = -58/144 - After reducing the fraction, the answer is -29/72
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