Add 15/4 and 36/72
1st number: 3 3/4, 2nd number: 36/72
15/4 + 36/72 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
15/4 = 15 × 18/4 × 18 = 270/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
36/72 = 36 × 1/72 × 1 = 36/72 - Add the two like fractions:
270/72 + 36/72 = 270 + 36/72 = 306/72 - 306/72 simplified gives 17/4
- So, 15/4 + 36/72 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+36/72 15/8+36/72 45/4+36/72 15/12+36/72 75/4+36/72 15/20+36/72 15/28+36/72