Add 40/15 and 3/90
1st number: 2 10/15, 2nd number: 3/90
40/15 + 3/90 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
40/15 = 40 × 6/15 × 6 = 240/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Add the two like fractions:
240/90 + 3/90 = 240 + 3/90 = 243/90 - 243/90 simplified gives 27/10
- So, 40/15 + 3/90 = 27/10
In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+3/90 40/15+6/90 40/30+3/90 40/15+9/90 40/45+3/90 40/15+15/90 40/75+3/90 40/15+21/90