Add 45/10 and 10/90
1st number: 4 5/10, 2nd number: 10/90
45/10 + 10/90 is 83/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
45/10 = 45 × 9/10 × 9 = 405/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Add the two like fractions:
405/90 + 10/90 = 405 + 10/90 = 415/90 - 415/90 simplified gives 83/18
- So, 45/10 + 10/90 = 83/18
In mixed form: 411/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+10/90 45/10+20/90 45/20+10/90 45/10+30/90 45/30+10/90 45/10+50/90 45/50+10/90 45/10+70/90 45/70+10/90