Subtract 50/56 from 3/15
3/15 - 50/56 is -97/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
3/15 = 3 × 56/15 × 56 = 168/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
50/56 = 50 × 15/56 × 15 = 750/840 - Subtract the two like fractions:
168/840 - 750/840 = 168 - 750/840 = -582/840 - After reducing the fraction, the answer is -97/140
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