Subtract 3/27 from 42/45
42/45 - 3/27 is 37/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
42/45 = 42 × 3/45 × 3 = 126/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
3/27 = 3 × 5/27 × 5 = 15/135 - Subtract the two like fractions:
126/135 - 15/135 = 126 - 15/135 = 111/135 - After reducing the fraction, the answer is 37/45
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