Subtract 21/5 from 30/14
1st number: 2 2/14, 2nd number: 4 1/5
30/14 - 21/5 is -72/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
30/14 = 30 × 5/14 × 5 = 150/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Subtract the two like fractions:
150/70 - 294/70 = 150 - 294/70 = -144/70 - After reducing the fraction, the answer is -72/35
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