Subtract 18/84 from 30/10
1st number: 3 0/10, 2nd number: 18/84
30/10 - 18/84 is 39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
30/10 = 30 × 42/10 × 42 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Subtract the two like fractions:
1260/420 - 90/420 = 1260 - 90/420 = 1170/420 - After reducing the fraction, the answer is 39/14
- In mixed form: 211/14
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