Subtract 20/50 from 28/7
1st number: 4 0/7, 2nd number: 20/50
28/7 - 20/50 is 18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
28/7 = 28 × 50/7 × 50 = 1400/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
20/50 = 20 × 7/50 × 7 = 140/350 - Subtract the two like fractions:
1400/350 - 140/350 = 1400 - 140/350 = 1260/350 - After reducing the fraction, the answer is 18/5
- In mixed form: 33/5
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