Subtract 15/10 from 90/2
1st number: 45 0/2, 2nd number: 1 5/10
90/2 - 15/10 is 87/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
90/2 = 90 × 5/2 × 5 = 450/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
15/10 = 15 × 1/10 × 1 = 15/10 - Subtract the two like fractions:
450/10 - 15/10 = 450 - 15/10 = 435/10 - After reducing the fraction, the answer is 87/2
- In mixed form: 431/2
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