Subtract 15/54 from 90/48
1st number: 1 42/48, 2nd number: 15/54
90/48 - 15/54 is 115/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
90/48 = 90 × 9/48 × 9 = 810/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
15/54 = 15 × 8/54 × 8 = 120/432 - Subtract the two like fractions:
810/432 - 120/432 = 810 - 120/432 = 690/432 - After reducing the fraction, the answer is 115/72
- In mixed form: 143/72
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