Subtract 50/9 from 72/49
1st number: 1 23/49, 2nd number: 5 5/9
72/49 - 50/9 is -1802/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
72/49 = 72 × 9/49 × 9 = 648/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
50/9 = 50 × 49/9 × 49 = 2450/441 - Subtract the two like fractions:
648/441 - 2450/441 = 648 - 2450/441 = -1802/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98-50/9 72/49-50/18 72/49-50/27 72/49-50/45 72/49-50/63