Subtract 5/20 from 21/48
21/48 - 5/20 is 3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
5/20 = 5 × 12/20 × 12 = 60/240 - Subtract the two like fractions:
105/240 - 60/240 = 105 - 60/240 = 45/240 - After reducing the fraction, the answer is 3/16
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