Subtract 45/18 from 72/49
1st number: 1 23/49, 2nd number: 2 9/18
72/49 - 45/18 is -101/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
72/49 = 72 × 18/49 × 18 = 1296/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
45/18 = 45 × 49/18 × 49 = 2205/882 - Subtract the two like fractions:
1296/882 - 2205/882 = 1296 - 2205/882 = -909/882 - After reducing the fraction, the answer is -101/98
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