Add 30/20 and 9/98
1st number: 1 10/20, 2nd number: 9/98
30/20 + 9/98 is 78/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
30/20 = 30 × 49/20 × 49 = 1470/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
9/98 = 9 × 10/98 × 10 = 90/980 - Add the two like fractions:
1470/980 + 90/980 = 1470 + 90/980 = 1560/980 - 1560/980 simplified gives 78/49
- So, 30/20 + 9/98 = 78/49
In mixed form: 129/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+9/98 30/20+18/98 30/40+9/98 90/20+9/98 30/20+27/98 30/60+9/98 30/20+45/98 30/20+63/98