Subtract 28/90 from 30/49
30/49 - 28/90 is 664/2205.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
30/49 = 30 × 90/49 × 90 = 2700/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
28/90 = 28 × 49/90 × 49 = 1372/4410 - Subtract the two like fractions:
2700/4410 - 1372/4410 = 2700 - 1372/4410 = 1328/4410 - After reducing the fraction, the answer is 664/2205
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