Subtract 15/10 from 9/49
1st number: 9/49, 2nd number: 1 5/10
9/49 - 15/10 is -129/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
9/49 = 9 × 10/49 × 10 = 90/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
15/10 = 15 × 49/10 × 49 = 735/490 - Subtract the two like fractions:
90/490 - 735/490 = 90 - 735/490 = -645/490 - After reducing the fraction, the answer is -129/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49-15/10 9/49-30/10 9/98-15/10 9/49-15/20 27/49-15/10 9/49-45/10 9/49-15/30 45/49-15/10 9/49-75/10 9/49-15/50 63/49-15/10 9/49-15/70