Subtract 7/10 from 80/15
1st number: 5 5/15, 2nd number: 7/10
80/15 - 7/10 is 139/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
80/15 = 80 × 2/15 × 2 = 160/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
7/10 = 7 × 3/10 × 3 = 21/30 - Subtract the two like fractions:
160/30 - 21/30 = 160 - 21/30 = 139/30 - In mixed form: 419/30
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