Subtract 80/49 from 15/28
1st number: 15/28, 2nd number: 1 31/49
15/28 - 80/49 is -215/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
15/28 = 15 × 7/28 × 7 = 105/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
80/49 = 80 × 4/49 × 4 = 320/196 - Subtract the two like fractions:
105/196 - 320/196 = 105 - 320/196 = -215/196
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