Subtract 20/98 from 15/5
1st number: 3 0/5, 2nd number: 20/98
15/5 - 20/98 is 137/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
15/5 = 15 × 98/5 × 98 = 1470/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Subtract the two like fractions:
1470/490 - 100/490 = 1470 - 100/490 = 1370/490 - After reducing the fraction, the answer is 137/49
- In mixed form: 239/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-20/98 15/5-40/98 15/10-20/98 45/5-20/98 15/5-60/98 75/5-20/98 15/25-20/98 15/35-20/98