Subtract 27/35 from 28/45
28/45 - 27/35 is -47/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
28/45 = 28 × 7/45 × 7 = 196/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
27/35 = 27 × 9/35 × 9 = 243/315 - Subtract the two like fractions:
196/315 - 243/315 = 196 - 243/315 = -47/315
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