Add 40/15 and 6/72
1st number: 2 10/15, 2nd number: 6/72
40/15 + 6/72 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
40/15 = 40 × 24/15 × 24 = 960/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Add the two like fractions:
960/360 + 30/360 = 960 + 30/360 = 990/360 - 990/360 simplified gives 11/4
- So, 40/15 + 6/72 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+6/72 40/15+12/72 40/30+6/72 40/15+18/72 40/45+6/72 40/15+30/72 40/75+6/72 40/15+42/72