Subtract 42/45 from 56/36
1st number: 1 20/36, 2nd number: 42/45
56/36 - 42/45 is 28/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
56/36 = 56 × 5/36 × 5 = 280/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
42/45 = 42 × 4/45 × 4 = 168/180 - Subtract the two like fractions:
280/180 - 168/180 = 280 - 168/180 = 112/180 - After reducing the fraction, the answer is 28/45
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