Add 35/15 and 75/20
1st number: 2 5/15, 2nd number: 3 15/20
35/15 + 75/20 is 73/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
35/15 = 35 × 4/15 × 4 = 140/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Add the two like fractions:
140/60 + 225/60 = 140 + 225/60 = 365/60 - 365/60 simplified gives 73/12
- So, 35/15 + 75/20 = 73/12
In mixed form: 61/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+75/20 35/30+75/20 35/15+75/40 35/45+75/20 35/15+75/60 35/75+75/20