Add 6/10 and 18/40
6/10 + 18/40 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
6/10 = 6 × 4/10 × 4 = 24/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Add the two like fractions:
24/40 + 18/40 = 24 + 18/40 = 42/40 - 42/40 simplified gives 21/20
- So, 6/10 + 18/40 = 21/20
In mixed form: 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/10+18/40 6/10+36/40 6/20+18/40 6/10+18/80 18/10+18/40 6/10+54/40 6/30+18/40 30/10+18/40 6/10+90/40 6/50+18/40 42/10+18/40 6/70+18/40