Subtract 4/20 from 84/9
1st number: 9 3/9, 2nd number: 4/20
84/9 - 4/20 is 137/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
84/9 = 84 × 20/9 × 20 = 1680/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Subtract the two like fractions:
1680/180 - 36/180 = 1680 - 36/180 = 1644/180 - After reducing the fraction, the answer is 137/15
- In mixed form: 92/15
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