Subtract 75/72 from 98/80
1st number: 1 18/80, 2nd number: 1 3/72
98/80 - 75/72 is 11/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
98/80 = 98 × 9/80 × 9 = 882/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
75/72 = 75 × 10/72 × 10 = 750/720 - Subtract the two like fractions:
882/720 - 750/720 = 882 - 750/720 = 132/720 - After reducing the fraction, the answer is 11/60
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