Add 18/4 and 70/15
1st number: 4 2/4, 2nd number: 4 10/15
18/4 + 70/15 is 55/6.
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,
18/4 = 18 × 15/4 × 15 = 270/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60 - Add the two like fractions:
270/60 + 280/60 = 270 + 280/60 = 550/60 - 550/60 simplified gives 55/6
- So, 18/4 + 70/15 = 55/6
In mixed form: 91/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+70/15 18/8+70/15 18/4+70/30 54/4+70/15 18/12+70/15 18/4+70/45 90/4+70/15 18/20+70/15 18/4+70/75 18/28+70/15