Add 42/48 and 20/9
1st number: 42/48, 2nd number: 2 2/9
42/48 + 20/9 is 223/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
20/9 = 20 × 16/9 × 16 = 320/144 - Add the two like fractions:
126/144 + 320/144 = 126 + 320/144 = 446/144 - 446/144 simplified gives 223/72
- So, 42/48 + 20/9 = 223/72
In mixed form: 37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+20/9 42/48+40/9 42/96+20/9 42/48+20/18 42/48+60/9 42/48+20/27 42/48+20/45 42/48+20/63