Add 40/75 and 18/15
1st number: 40/75, 2nd number: 1 3/15
40/75 + 18/15 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
40/75 = 40 × 1/75 × 1 = 40/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
18/15 = 18 × 5/15 × 5 = 90/75 - Add the two like fractions:
40/75 + 90/75 = 40 + 90/75 = 130/75 - 130/75 simplified gives 26/15
- So, 40/75 + 18/15 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+18/15 40/75+36/15 40/75+18/30 40/75+54/15 40/75+18/45 40/75+90/15 40/75+18/75