Add 1/20 and 98/15
1st number: 1/20, 2nd number: 6 8/15
1/20 + 98/15 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
98/15 = 98 × 4/15 × 4 = 392/60 - Add the two like fractions:
3/60 + 392/60 = 3 + 392/60 = 395/60 - 395/60 simplified gives 79/12
- So, 1/20 + 98/15 = 79/12
In mixed form: 67/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+98/15 1/40+98/15 1/20+98/30 3/20+98/15 1/60+98/15 1/20+98/45 5/20+98/15 1/20+98/75 7/20+98/15