Subtract 48/90 from 15/80
15/80 - 48/90 is -83/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
48/90 = 48 × 8/90 × 8 = 384/720 - Subtract the two like fractions:
135/720 - 384/720 = 135 - 384/720 = -249/720 - After reducing the fraction, the answer is -83/240
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