Subtract 81/90 from 28/6
1st number: 4 4/6, 2nd number: 81/90
28/6 - 81/90 is 113/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
28/6 = 28 × 15/6 × 15 = 420/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Subtract the two like fractions:
420/90 - 81/90 = 420 - 81/90 = 339/90 - After reducing the fraction, the answer is 113/30
- In mixed form: 323/30
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