Add 18/60 and 10/40
18/60 + 10/40 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
18/60 = 18 × 2/60 × 2 = 36/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Add the two like fractions:
36/120 + 30/120 = 36 + 30/120 = 66/120 - 66/120 simplified gives 11/20
- So, 18/60 + 10/40 = 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+10/40 18/60+20/40 18/60+10/80 54/60+10/40 18/60+30/40 90/60+10/40 18/60+50/40 18/60+70/40