Subtract 7/48 from 70/90
70/90 - 7/48 is 91/144.
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,
70/90 = 70 × 8/90 × 8 = 560/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
7/48 = 7 × 15/48 × 15 = 105/720 - Subtract the two like fractions:
560/720 - 105/720 = 560 - 105/720 = 455/720 - After reducing the fraction, the answer is 91/144
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