Add 7/10 and 18/40
7/10 + 18/40 is 23/20.
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,
7/10 = 7 × 4/10 × 4 = 28/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Add the two like fractions:
28/40 + 18/40 = 28 + 18/40 = 46/40 - 46/40 simplified gives 23/20
- So, 7/10 + 18/40 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+18/40 7/10+36/40 7/20+18/40 7/10+18/80 21/10+18/40 7/10+54/40 7/30+18/40 35/10+18/40 7/10+90/40 7/50+18/40 49/10+18/40 7/70+18/40