Add 42/18 and 10/8
1st number: 2 6/18, 2nd number: 1 2/8
42/18 + 10/8 is 43/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
10/8 = 10 × 9/8 × 9 = 90/72 - Add the two like fractions:
168/72 + 90/72 = 168 + 90/72 = 258/72 - 258/72 simplified gives 43/12
- So, 42/18 + 10/8 = 43/12
In mixed form: 37/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+10/8 42/18+20/8 42/36+10/8 42/18+10/16 42/18+30/8 42/54+10/8 42/18+10/24 42/18+50/8 42/90+10/8 42/18+10/40 42/18+70/8 42/18+10/56