Subtract 7/10 from 84/30
1st number: 2 24/30, 2nd number: 7/10
84/30 - 7/10 is 21/10.
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,
84/30 = 84 × 1/30 × 1 = 84/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
7/10 = 7 × 3/10 × 3 = 21/30 - Subtract the two like fractions:
84/30 - 21/30 = 84 - 21/30 = 63/30 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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