Subtract 9/90 from 70/9
1st number: 7 7/9, 2nd number: 9/90
70/9 - 9/90 is 691/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
70/9 = 70 × 10/9 × 10 = 700/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Subtract the two like fractions:
700/90 - 9/90 = 700 - 9/90 = 691/90 - In mixed form: 761/90
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