Add 18/10 and 75/30
1st number: 1 8/10, 2nd number: 2 15/30
18/10 + 75/30 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
18/10 = 18 × 3/10 × 3 = 54/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
75/30 = 75 × 1/30 × 1 = 75/30 - Add the two like fractions:
54/30 + 75/30 = 54 + 75/30 = 129/30 - 129/30 simplified gives 43/10
- So, 18/10 + 75/30 = 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: 36/10+75/30 18/20+75/30 18/10+75/60 54/10+75/30 18/30+75/30 18/10+75/90 90/10+75/30 18/50+75/30 18/70+75/30