Subtract 40/12 from 70/9
1st number: 7 7/9, 2nd number: 3 4/12
70/9 - 40/12 is 40/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 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 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Subtract the two like fractions:
280/36 - 120/36 = 280 - 120/36 = 160/36 - After reducing the fraction, the answer is 40/9
- In mixed form: 44/9
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