Subtract 21/20 from 84/75
1st number: 1 9/75, 2nd number: 1 1/20
84/75 - 21/20 is 7/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
84/75 = 84 × 4/75 × 4 = 336/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
21/20 = 21 × 15/20 × 15 = 315/300 - Subtract the two like fractions:
336/300 - 315/300 = 336 - 315/300 = 21/300 - After reducing the fraction, the answer is 7/100
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