Subtract 28/30 from 20/8
1st number: 2 4/8, 2nd number: 28/30
20/8 - 28/30 is 47/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
20/8 = 20 × 15/8 × 15 = 300/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
28/30 = 28 × 4/30 × 4 = 112/120 - Subtract the two like fractions:
300/120 - 112/120 = 300 - 112/120 = 188/120 - After reducing the fraction, the answer is 47/30
- In mixed form: 117/30
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