Subtract 49/30 from 30/49
1st number: 30/49, 2nd number: 1 19/30
30/49 - 49/30 is -1501/1470.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
30/49 = 30 × 30/49 × 30 = 900/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
49/30 = 49 × 49/30 × 49 = 2401/1470 - Subtract the two like fractions:
900/1470 - 2401/1470 = 900 - 2401/1470 = -1501/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49-49/30 30/49-98/30 30/98-49/30 30/49-49/60 90/49-49/30 30/49-49/90