Subtract 30/18 from 70/9
1st number: 7 7/9, 2nd number: 1 12/18
70/9 - 30/18 is 55/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
70/9 = 70 × 2/9 × 2 = 140/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
30/18 = 30 × 1/18 × 1 = 30/18 - Subtract the two like fractions:
140/18 - 30/18 = 140 - 30/18 = 110/18 - After reducing the fraction, the answer is 55/9
- In mixed form: 61/9
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