Add 10/18 and 16/15
1st number: 10/18, 2nd number: 1 1/15
10/18 + 16/15 is 73/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
16/15 = 16 × 6/15 × 6 = 96/90 - Add the two like fractions:
50/90 + 96/90 = 50 + 96/90 = 146/90 - 146/90 simplified gives 73/45
- So, 10/18 + 16/15 = 73/45
In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+16/15 10/18+32/15 10/36+16/15 10/18+16/30 30/18+16/15 10/18+48/15 10/54+16/15 10/18+16/45 50/18+16/15 10/18+80/15 10/90+16/15 10/18+16/75 70/18+16/15