Subtract 21/90 from 14/48
14/48 - 21/90 is 7/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
14/48 = 14 × 15/48 × 15 = 210/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
21/90 = 21 × 8/90 × 8 = 168/720 - Subtract the two like fractions:
210/720 - 168/720 = 210 - 168/720 = 42/720 - After reducing the fraction, the answer is 7/120
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