Subtract 72/54 from 2/40
1st number: 2/40, 2nd number: 1 18/54
2/40 - 72/54 is -77/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
2/40 = 2 × 27/40 × 27 = 54/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
72/54 = 72 × 20/54 × 20 = 1440/1080 - Subtract the two like fractions:
54/1080 - 1440/1080 = 54 - 1440/1080 = -1386/1080 - After reducing the fraction, the answer is -77/60
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