Subtract 42/72 from 16/9
1st number: 1 7/9, 2nd number: 42/72
16/9 - 42/72 is 43/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
16/9 = 16 × 8/9 × 8 = 128/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Subtract the two like fractions:
128/72 - 42/72 = 128 - 42/72 = 86/72 - After reducing the fraction, the answer is 43/36
- In mixed form: 17/36
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