Add 35/15 and 90/80
1st number: 2 5/15, 2nd number: 1 10/80
35/15 + 90/80 is 83/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
35/15 = 35 × 16/15 × 16 = 560/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
560/240 + 270/240 = 560 + 270/240 = 830/240 - 830/240 simplified gives 83/24
- So, 35/15 + 90/80 = 83/24
In mixed form: 311/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+90/80 35/30+90/80 35/45+90/80 35/75+90/80