Add 98/49 and 20/40
1st number: 2 0/49, 2nd number: 20/40
98/49 + 20/40 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
98/49 = 98 × 40/49 × 40 = 3920/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
20/40 = 20 × 49/40 × 49 = 980/1960 - Add the two like fractions:
3920/1960 + 980/1960 = 3920 + 980/1960 = 4900/1960 - 4900/1960 simplified gives 5/2
- So, 98/49 + 20/40 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/49+20/80 98/49+60/40