Subtract 72/48 from 15/90
1st number: 15/90, 2nd number: 1 24/48
15/90 - 72/48 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
15/90 = 15 × 8/90 × 8 = 120/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
72/48 = 72 × 15/48 × 15 = 1080/720 - Subtract the two like fractions:
120/720 - 1080/720 = 120 - 1080/720 = -960/720 - After reducing the fraction, the answer is -4/3
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