Subtract 80/30 from 7/9
1st number: 7/9, 2nd number: 2 20/30
7/9 - 80/30 is -17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
7/9 = 7 × 10/9 × 10 = 70/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Subtract the two like fractions:
70/90 - 240/90 = 70 - 240/90 = -170/90 - After reducing the fraction, the answer is -17/9
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