Subtract 21/60 from 50/80
50/80 - 21/60 is 11/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
50/80 = 50 × 3/80 × 3 = 150/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
21/60 = 21 × 4/60 × 4 = 84/240 - Subtract the two like fractions:
150/240 - 84/240 = 150 - 84/240 = 66/240 - After reducing the fraction, the answer is 11/40
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