Add 30/40 and 98/10
1st number: 30/40, 2nd number: 9 8/10
30/40 + 98/10 is 211/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
98/10 = 98 × 4/10 × 4 = 392/40 - Add the two like fractions:
30/40 + 392/40 = 30 + 392/40 = 422/40 - 422/40 simplified gives 211/20
- So, 30/40 + 98/10 = 211/20
In mixed form: 1011/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+98/10 30/80+98/10 30/40+98/20 90/40+98/10 30/40+98/30 30/40+98/50 30/40+98/70