Subtract 84/10 from 21/3
1st number: 7 0/3, 2nd number: 8 4/10
21/3 - 84/10 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
84/10 = 84 × 3/10 × 3 = 252/30 - Subtract the two like fractions:
210/30 - 252/30 = 210 - 252/30 = -42/30 - After reducing the fraction, the answer is -7/5
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