Subtract 20/90 from 2/48
2/48 - 20/90 is -13/72.
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,
2/48 = 2 × 15/48 × 15 = 30/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
20/90 = 20 × 8/90 × 8 = 160/720 - Subtract the two like fractions:
30/720 - 160/720 = 30 - 160/720 = -130/720 - After reducing the fraction, the answer is -13/72
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