Subtract 35/80 from 42/72
42/72 - 35/80 is 7/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
42/72 = 42 × 10/72 × 10 = 420/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
35/80 = 35 × 9/80 × 9 = 315/720 - Subtract the two like fractions:
420/720 - 315/720 = 420 - 315/720 = 105/720 - After reducing the fraction, the answer is 7/48
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