Add 90/8 and 5/4
1st number: 11 2/8, 2nd number: 1 1/4
90/8 + 5/4 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
90/8 = 90 × 1/8 × 1 = 90/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
5/4 = 5 × 2/4 × 2 = 10/8 - Add the two like fractions:
90/8 + 10/8 = 90 + 10/8 = 100/8 - 100/8 simplified gives 25/2
- So, 90/8 + 5/4 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+10/4 90/16+5/4 90/8+5/8 90/8+15/4 90/24+5/4 90/8+5/12 90/8+25/4 90/40+5/4 90/8+5/20 90/8+35/4 90/56+5/4 90/8+5/28