Add 15/4 and 70/15
1st number: 3 3/4, 2nd number: 4 10/15
15/4 + 70/15 is 101/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
15/4 = 15 × 15/4 × 15 = 225/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60 - Add the two like fractions:
225/60 + 280/60 = 225 + 280/60 = 505/60 - 505/60 simplified gives 101/12
- So, 15/4 + 70/15 = 101/12
In mixed form: 85/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+70/15 15/8+70/15 15/4+70/30 45/4+70/15 15/12+70/15 15/4+70/45 75/4+70/15 15/20+70/15 15/4+70/75 15/28+70/15