Subtract 42/45 from 36/27
1st number: 1 9/27, 2nd number: 42/45
36/27 - 42/45 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
36/27 = 36 × 5/27 × 5 = 180/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
42/45 = 42 × 3/45 × 3 = 126/135 - Subtract the two like fractions:
180/135 - 126/135 = 180 - 126/135 = 54/135 - After reducing the fraction, the answer is 2/5
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