Add 3/10 and 72/18
1st number: 3/10, 2nd number: 4 0/18
3/10 + 72/18 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
72/18 = 72 × 5/18 × 5 = 360/90 - Add the two like fractions:
27/90 + 360/90 = 27 + 360/90 = 387/90 - 387/90 simplified gives 43/10
- So, 3/10 + 72/18 = 43/10
In mixed form: 43/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+72/18 3/20+72/18 3/10+72/36 9/10+72/18 3/30+72/18 3/10+72/54 15/10+72/18 3/50+72/18 3/10+72/90 21/10+72/18 3/70+72/18