Add 12/15 and 75/10
1st number: 12/15, 2nd number: 7 5/10
12/15 + 75/10 is 83/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
75/10 = 75 × 3/10 × 3 = 225/30 - Add the two like fractions:
24/30 + 225/30 = 24 + 225/30 = 249/30 - 249/30 simplified gives 83/10
- So, 12/15 + 75/10 = 83/10
In mixed form: 83/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+75/10 12/30+75/10 12/15+75/20 36/15+75/10 12/45+75/10 12/15+75/30 60/15+75/10 12/75+75/10 12/15+75/50 84/15+75/10 12/15+75/70