Subtract 42/4 from 70/9
1st number: 7 7/9, 2nd number: 10 2/4
70/9 - 42/4 is -49/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
70/9 = 70 × 4/9 × 4 = 280/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Subtract the two like fractions:
280/36 - 378/36 = 280 - 378/36 = -98/36 - After reducing the fraction, the answer is -49/18
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