Add 98/40 and 27/15
1st number: 2 18/40, 2nd number: 1 12/15
98/40 + 27/15 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
27/15 = 27 × 8/15 × 8 = 216/120 - Add the two like fractions:
294/120 + 216/120 = 294 + 216/120 = 510/120 - 510/120 simplified gives 17/4
- So, 98/40 + 27/15 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40+54/15 98/80+27/15 98/40+27/30 98/40+81/15 98/40+27/45 98/40+27/75