Add 4/90 and 15/9
1st number: 4/90, 2nd number: 1 6/9
4/90 + 15/9 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Add the two like fractions:
4/90 + 150/90 = 4 + 150/90 = 154/90 - 154/90 simplified gives 77/45
- So, 4/90 + 15/9 = 77/45
In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+15/9 4/90+30/9 4/90+15/18 12/90+15/9 4/90+45/9 4/90+15/27 20/90+15/9 4/90+75/9 4/90+15/45 28/90+15/9 4/90+15/63