Subtract 72/9 from 3/30
1st number: 3/30, 2nd number: 8 0/9
3/30 - 72/9 is -79/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
3/30 = 3 × 3/30 × 3 = 9/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
72/9 = 72 × 10/9 × 10 = 720/90 - Subtract the two like fractions:
9/90 - 720/90 = 9 - 720/90 = -711/90 - After reducing the fraction, the answer is -79/10
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