Add 42/18 and 10/30
1st number: 2 6/18, 2nd number: 10/30
42/18 + 10/30 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
42/18 = 42 × 5/18 × 5 = 210/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
10/30 = 10 × 3/30 × 3 = 30/90 - Add the two like fractions:
210/90 + 30/90 = 210 + 30/90 = 240/90 - 240/90 simplified gives 8/3
- So, 42/18 + 10/30 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+10/30 42/18+20/30 42/36+10/30 42/18+10/60 42/54+10/30 42/18+10/90 42/18+50/30 42/90+10/30 42/18+70/30