Subtract 90/49 from 9/72
1st number: 9/72, 2nd number: 1 41/49
9/72 - 90/49 is -671/392.
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,
9/72 = 9 × 49/72 × 49 = 441/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
90/49 = 90 × 72/49 × 72 = 6480/3528 - Subtract the two like fractions:
441/3528 - 6480/3528 = 441 - 6480/3528 = -6039/3528 - After reducing the fraction, the answer is -671/392
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