Subtract 72/49 from 45/35
1st number: 1 10/35, 2nd number: 1 23/49
45/35 - 72/49 is -9/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
45/35 = 45 × 7/35 × 7 = 315/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
72/49 = 72 × 5/49 × 5 = 360/245 - Subtract the two like fractions:
315/245 - 360/245 = 315 - 360/245 = -45/245 - After reducing the fraction, the answer is -9/49
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