Subtract 15/20 from 4/9
49 - 1520 is -1136.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
49 = 4 × 209 × 20 = 80180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
1520 = 15 × 920 × 9 = 135180 - Subtract the two like fractions:
80180 - 135180 = 80 - 135180 = -55180 - After reducing the fraction, the answer is -1136
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