Subtract 42/72 from 12/9
1st number: 1 3/9, 2nd number: 42/72
12/9 - 42/72 is 3/4.
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,
12/9 = 12 × 8/9 × 8 = 96/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Subtract the two like fractions:
96/72 - 42/72 = 96 - 42/72 = 54/72 - After reducing the fraction, the answer is 3/4
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