Subtract 30/49 from 15/2
1st number: 7 1/2, 2nd number: 30/49
15/2 - 30/49 is 675/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
15/2 = 15 × 49/2 × 49 = 735/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
30/49 = 30 × 2/49 × 2 = 60/98 - Subtract the two like fractions:
735/98 - 60/98 = 735 - 60/98 = 675/98 - In mixed form: 687/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-30/49 15/2-60/49 15/4-30/49 15/2-30/98 45/2-30/49 15/2-90/49 15/6-30/49 75/2-30/49 15/10-30/49 15/14-30/49