Subtract 84/4 from 70/9
1st number: 7 7/9, 2nd number: 21 0/4
70/9 - 84/4 is -119/9.
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,
84/4 = 84 × 9/4 × 9 = 756/36 - Subtract the two like fractions:
280/36 - 756/36 = 280 - 756/36 = -476/36 - After reducing the fraction, the answer is -119/9
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