Subtract 12/8 from 90/25
1st number: 3 15/25, 2nd number: 1 4/8
90/25 - 12/8 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
90/25 = 90 × 8/25 × 8 = 720/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
12/8 = 12 × 25/8 × 25 = 300/200 - Subtract the two like fractions:
720/200 - 300/200 = 720 - 300/200 = 420/200 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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