Subtract 9/80 from 70/45
1st number: 1 25/45, 2nd number: 9/80
70/45 - 9/80 is 1039/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
70/45 = 70 × 16/45 × 16 = 1120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Subtract the two like fractions:
1120/720 - 81/720 = 1120 - 81/720 = 1039/720 - In mixed form: 1319/720
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