Subtract 30/28 from 49/20
1st number: 2 9/20, 2nd number: 1 2/28
49/20 - 30/28 is 193/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
49/20 = 49 × 7/20 × 7 = 343/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Subtract the two like fractions:
343/140 - 150/140 = 343 - 150/140 = 193/140 - In mixed form: 153/140
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