Subtract 7/20 from 50/54
50/54 - 7/20 is 311/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
50/54 = 50 × 10/54 × 10 = 500/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
7/20 = 7 × 27/20 × 27 = 189/540 - Subtract the two like fractions:
500/540 - 189/540 = 500 - 189/540 = 311/540
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