Subtract 9/10 from 80/30
1st number: 2 20/30, 2nd number: 9/10
80/30 - 9/10 is 53/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
9/10 = 9 × 3/10 × 3 = 27/30 - Subtract the two like fractions:
80/30 - 27/30 = 80 - 27/30 = 53/30 - In mixed form: 123/30
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