Add 75/15 and 70/36
1st number: 5 0/15, 2nd number: 1 34/36
75/15 + 70/36 is 125/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
75/15 = 75 × 12/15 × 12 = 900/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Add the two like fractions:
900/180 + 350/180 = 900 + 350/180 = 1250/180 - 1250/180 simplified gives 125/18
- So, 75/15 + 70/36 = 125/18
In mixed form: 617/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30+70/36 75/15+70/72 75/45+70/36