Subtract 21/6 from 7/15
1st number: 7/15, 2nd number: 3 3/6
715 - 216 is -9130.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
715 = 7 × 215 × 2 = 1430 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
216 = 21 × 56 × 5 = 10530 - Subtract the two like fractions:
1430 - 10530 = 14 - 10530 = -9130
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