Add 9/40 and 40/60
9/40 + 40/60 is 107/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
40/60 = 40 × 2/60 × 2 = 80/120 - Add the two like fractions:
27/120 + 80/120 = 27 + 80/120 = 107/120 - So, 9/40 + 40/60 = 107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40+40/60 9/40+80/60 9/80+40/60 27/40+40/60 45/40+40/60 63/40+40/60