Subtract 20/35 from 21/5
1st number: 4 1/5, 2nd number: 20/35
21/5 - 20/35 is 127/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
21/5 = 21 × 7/5 × 7 = 147/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
20/35 = 20 × 1/35 × 1 = 20/35 - Subtract the two like fractions:
147/35 - 20/35 = 147 - 20/35 = 127/35 - In mixed form: 322/35
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