Subtract 28/36 from 90/30
1st number: 3 0/30, 2nd number: 28/36
90/30 - 28/36 is 20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
90/30 = 90 × 6/30 × 6 = 540/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
28/36 = 28 × 5/36 × 5 = 140/180 - Subtract the two like fractions:
540/180 - 140/180 = 540 - 140/180 = 400/180 - After reducing the fraction, the answer is 20/9
- In mixed form: 22/9
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