Subtract 18/70 from 49/28
1st number: 1 21/28, 2nd number: 18/70
49/28 - 18/70 is 209/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
18/70 = 18 × 2/70 × 2 = 36/140 - Subtract the two like fractions:
245/140 - 36/140 = 245 - 36/140 = 209/140 - In mixed form: 169/140
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