Subtract 70/9 from 30/3
1st number: 10 0/3, 2nd number: 7 7/9
30/3 - 70/9 is 20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
30/3 = 30 × 3/3 × 3 = 90/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
70/9 = 70 × 1/9 × 1 = 70/9 - Subtract the two like fractions:
90/9 - 70/9 = 90 - 70/9 = 20/9 - In mixed form: 22/9
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