Subtract 28/35 from 3/15
3/15 - 28/35 is -3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
3/15 = 3 × 7/15 × 7 = 21/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
28/35 = 28 × 3/35 × 3 = 84/105 - Subtract the two like fractions:
21/105 - 84/105 = 21 - 84/105 = -63/105 - After reducing the fraction, the answer is -3/5
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