Subtract 49/90 from 18/48
18/48 - 49/90 is -61/360.
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,
18/48 = 18 × 15/48 × 15 = 270/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
49/90 = 49 × 8/90 × 8 = 392/720 - Subtract the two like fractions:
270/720 - 392/720 = 270 - 392/720 = -122/720 - After reducing the fraction, the answer is -61/360
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