Subtract 3/90 from 28/48
28/48 - 3/90 is 11/20.
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,
28/48 = 28 × 15/48 × 15 = 420/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
3/90 = 3 × 8/90 × 8 = 24/720 - Subtract the two like fractions:
420/720 - 24/720 = 420 - 24/720 = 396/720 - After reducing the fraction, the answer is 11/20
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