Subtract 3/49 from 27/30
27/30 - 3/49 is 411/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
27/30 = 27 × 49/30 × 49 = 1323/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
3/49 = 3 × 30/49 × 30 = 90/1470 - Subtract the two like fractions:
1323/1470 - 90/1470 = 1323 - 90/1470 = 1233/1470 - After reducing the fraction, the answer is 411/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30-3/49 27/30-6/49 27/60-3/49 27/30-3/98 81/30-3/49 27/30-9/49 27/90-3/49 27/30-15/49 27/30-21/49