Add 9/2 and 8/90
1st number: 4 1/2, 2nd number: 8/90
9/2 + 8/90 is 413/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
9/2 = 9 × 45/2 × 45 = 405/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Add the two like fractions:
405/90 + 8/90 = 405 + 8/90 = 413/90 - So, 9/2 + 8/90 = 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: 18/2+8/90 9/2+16/90 9/4+8/90 27/2+8/90 9/2+24/90 9/6+8/90 45/2+8/90 9/2+40/90 9/10+8/90 63/2+8/90 9/2+56/90 9/14+8/90