Add 90/12 and 35/15
1st number: 7 6/12, 2nd number: 2 5/15
90/12 + 35/15 is 59/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
35/15 = 35 × 4/15 × 4 = 140/60 - Add the two like fractions:
450/60 + 140/60 = 450 + 140/60 = 590/60 - 590/60 simplified gives 59/6
- So, 90/12 + 35/15 = 59/6
In mixed form: 95/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+70/15 90/24+35/15 90/12+35/30 90/36+35/15 90/12+35/45 90/60+35/15 90/12+35/75 90/84+35/15