Subtract 28/48 from 7/20
7/20 - 28/48 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
7/20 = 7 × 12/20 × 12 = 84/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Subtract the two like fractions:
84/240 - 140/240 = 84 - 140/240 = -56/240 - After reducing the fraction, the answer is -7/30
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