Subtract 15/75 from 90/20
1st number: 4 10/20, 2nd number: 15/75
90/20 - 15/75 is 43/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
90/20 = 90 × 15/20 × 15 = 1350/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Subtract the two like fractions:
1350/300 - 60/300 = 1350 - 60/300 = 1290/300 - After reducing the fraction, the answer is 43/10
- In mixed form: 43/10
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