Subtract 49/32 from 42/45
1st number: 42/45, 2nd number: 1 17/32
42/45 - 49/32 is -287/480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
42/45 = 42 × 32/45 × 32 = 1344/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
49/32 = 49 × 45/32 × 45 = 2205/1440 - Subtract the two like fractions:
1344/1440 - 2205/1440 = 1344 - 2205/1440 = -861/1440 - After reducing the fraction, the answer is -287/480
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