Add 9/40 and 90/27
1st number: 9/40, 2nd number: 3 9/27
9/40 + 90/27 is 427/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
9/40 = 9 × 27/40 × 27 = 243/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
90/27 = 90 × 40/27 × 40 = 3600/1080 - Add the two like fractions:
243/1080 + 3600/1080 = 243 + 3600/1080 = 3843/1080 - 3843/1080 simplified gives 427/120
- So, 9/40 + 90/27 = 427/120
In mixed form: 367/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40+90/27 9/80+90/27 9/40+90/54 27/40+90/27 9/40+90/81 45/40+90/27 63/40+90/27