Add 18/40 and 7/60
18/40 + 7/60 is 17/30.
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,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
7/60 = 7 × 2/60 × 2 = 14/120 - Add the two like fractions:
54/120 + 14/120 = 54 + 14/120 = 68/120 - 68/120 simplified gives 17/30
- So, 18/40 + 7/60 = 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+7/60 18/40+14/60 18/80+7/60 54/40+7/60 18/40+21/60 90/40+7/60 18/40+35/60 18/40+49/60