Subtract 20/4 from 8/30
1st number: 8/30, 2nd number: 5 0/4
8/30 - 20/4 is -71/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
20/4 = 20 × 15/4 × 15 = 300/60 - Subtract the two like fractions:
16/60 - 300/60 = 16 - 300/60 = -284/60 - After reducing the fraction, the answer is -71/15
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