Subtract 45/30 from 42/49
1st number: 42/49, 2nd number: 1 15/30
42/49 - 45/30 is -9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
42/49 = 42 × 30/49 × 30 = 1260/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
45/30 = 45 × 49/30 × 49 = 2205/1470 - Subtract the two like fractions:
1260/1470 - 2205/1470 = 1260 - 2205/1470 = -945/1470 - After reducing the fraction, the answer is -9/14
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