Add 15/4 and 98/40
1st number: 3 3/4, 2nd number: 2 18/40
15/4 + 98/40 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
15/4 = 15 × 10/4 × 10 = 150/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
98/40 = 98 × 1/40 × 1 = 98/40 - Add the two like fractions:
150/40 + 98/40 = 150 + 98/40 = 248/40 - 248/40 simplified gives 31/5
- So, 15/4 + 98/40 = 31/5
In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+98/40 15/8+98/40 15/4+98/80 45/4+98/40 15/12+98/40 75/4+98/40 15/20+98/40 15/28+98/40