Subtract 9/72 from 84/45
1st number: 1 39/45, 2nd number: 9/72
84/45 - 9/72 is 209/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Subtract the two like fractions:
672/360 - 45/360 = 672 - 45/360 = 627/360 - After reducing the fraction, the answer is 209/120
- In mixed form: 189/120
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