Add 40/15 and 72/27
1st number: 2 10/15, 2nd number: 2 18/27
40/15 + 72/27 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
40/15 = 40 × 9/15 × 9 = 360/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
72/27 = 72 × 5/27 × 5 = 360/135 - Add the two like fractions:
360/135 + 360/135 = 360 + 360/135 = 720/135 - 720/135 simplified gives 16/3
- So, 40/15 + 72/27 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+72/27 40/30+72/27 40/15+72/54 40/45+72/27 40/15+72/81 40/75+72/27