Add 9/5 and 90/8
1st number: 1 4/5, 2nd number: 11 2/8
9/5 + 90/8 is 261/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
9/5 = 9 × 8/5 × 8 = 72/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Add the two like fractions:
72/40 + 450/40 = 72 + 450/40 = 522/40 - 522/40 simplified gives 261/20
- So, 9/5 + 90/8 = 261/20
In mixed form: 131/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+90/8 9/10+90/8 9/5+90/16 27/5+90/8 9/15+90/8 9/5+90/24 45/5+90/8 9/25+90/8 9/5+90/40 63/5+90/8 9/35+90/8 9/5+90/56