Add 8/90 and 45/10
1st number: 8/90, 2nd number: 4 5/10
8/90 + 45/10 is 413/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
45/10 = 45 × 9/10 × 9 = 405/90 - Add the two like fractions:
8/90 + 405/90 = 8 + 405/90 = 413/90 - So, 8/90 + 45/10 = 413/90
In mixed form: 453/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+45/10 8/90+90/10 8/90+45/20 24/90+45/10 8/90+45/30 40/90+45/10 8/90+45/50 56/90+45/10 8/90+45/70