Subtract 49/9 from 42/8
1st number: 5 2/8, 2nd number: 5 4/9
42/8 - 49/9 is -7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
49/9 = 49 × 8/9 × 8 = 392/72 - Subtract the two like fractions:
378/72 - 392/72 = 378 - 392/72 = -14/72 - After reducing the fraction, the answer is -7/36
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