Subtract 90/25 from 63/84
1st number: 63/84, 2nd number: 3 15/25
63/84 - 90/25 is -57/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
63/84 = 63 × 25/84 × 25 = 1575/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
90/25 = 90 × 84/25 × 84 = 7560/2100 - Subtract the two like fractions:
1575/2100 - 7560/2100 = 1575 - 7560/2100 = -5985/2100 - After reducing the fraction, the answer is -57/20
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