Add 15/90 and 10/4
1st number: 15/90, 2nd number: 2 2/4
15/90 + 10/4 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
10/4 = 10 × 45/4 × 45 = 450/180 - Add the two like fractions:
30/180 + 450/180 = 30 + 450/180 = 480/180 - 480/180 simplified gives 8/3
- So, 15/90 + 10/4 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90+10/4 15/90+20/4 15/90+10/8 45/90+10/4 15/90+30/4 15/90+10/12 75/90+10/4 15/90+50/4 15/90+10/20 15/90+70/4 15/90+10/28