Add 4/10 and 18/15
1st number: 4/10, 2nd number: 1 3/15
4/10 + 18/15 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
4/10 = 4 × 3/10 × 3 = 12/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
18/15 = 18 × 2/15 × 2 = 36/30 - Add the two like fractions:
12/30 + 36/30 = 12 + 36/30 = 48/30 - 48/30 simplified gives 8/5
- So, 4/10 + 18/15 = 8/5
In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+18/15 4/10+36/15 4/20+18/15 4/10+18/30 12/10+18/15 4/10+54/15 4/30+18/15 4/10+18/45 20/10+18/15 4/10+90/15 4/50+18/15 4/10+18/75 28/10+18/15 4/70+18/15