Add 42/8 and 48/18
1st number: 5 2/8, 2nd number: 2 12/18
42/8 + 48/18 is 95/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
48/18 = 48 × 4/18 × 4 = 192/72 - Add the two like fractions:
378/72 + 192/72 = 378 + 192/72 = 570/72 - 570/72 simplified gives 95/12
- So, 42/8 + 48/18 = 95/12
In mixed form: 711/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+48/18 42/8+96/18 42/16+48/18 42/8+48/36 42/24+48/18 42/8+48/54 42/40+48/18 42/8+48/90 42/56+48/18