Add 98/49 and 4/40
1st number: 2 0/49, 2nd number: 4/40
98/49 + 4/40 is 21/10.
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,
4/40 = 4 × 49/40 × 49 = 196/1960 - Add the two like fractions:
3920/1960 + 196/1960 = 3920 + 196/1960 = 4116/1960 - 4116/1960 simplified gives 21/10
- So, 98/49 + 4/40 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/49+8/40 98/49+4/80 98/49+12/40 98/49+20/40 98/49+28/40