Subtract 3/28 from 20/4
1st number: 5 0/4, 2nd number: 3/28
20/4 - 3/28 is 137/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
3/28 = 3 × 1/28 × 1 = 3/28 - Subtract the two like fractions:
140/28 - 3/28 = 140 - 3/28 = 137/28 - In mixed form: 425/28
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