Subtract 49/30 from 81/49
1st number: 1 32/49, 2nd number: 1 19/30
81/49 - 49/30 is 29/1470.
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,
81/49 = 81 × 30/49 × 30 = 2430/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
49/30 = 49 × 49/30 × 49 = 2401/1470 - Subtract the two like fractions:
2430/1470 - 2401/1470 = 2430 - 2401/1470 = 29/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/49-98/30 81/98-49/30 81/49-49/60 81/49-49/90