Subtract 9/49 from 81/72
1st number: 1 9/72, 2nd number: 9/49
81/72 - 9/49 is 369/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
81/72 = 81 × 49/72 × 49 = 3969/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
9/49 = 9 × 72/49 × 72 = 648/3528 - Subtract the two like fractions:
3969/3528 - 648/3528 = 3969 - 648/3528 = 3321/3528 - After reducing the fraction, the answer is 369/392
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