Add 15/20 and 98/35
1st number: 15/20, 2nd number: 2 28/35
15/20 + 98/35 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
15/20 = 15 × 7/20 × 7 = 105/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
98/35 = 98 × 4/35 × 4 = 392/140 - Add the two like fractions:
105/140 + 392/140 = 105 + 392/140 = 497/140 - 497/140 simplified gives 71/20
- So, 15/20 + 98/35 = 71/20
In mixed form: 311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+98/35 15/40+98/35 15/20+98/70 45/20+98/35 15/60+98/35 75/20+98/35