Subtract 72/49 from 10/9
1st number: 1 1/9, 2nd number: 1 23/49
10/9 - 72/49 is -158/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
10/9 = 10 × 49/9 × 49 = 490/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
72/49 = 72 × 9/49 × 9 = 648/441 - Subtract the two like fractions:
490/441 - 648/441 = 490 - 648/441 = -158/441
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