Add 36/16 and 21/9
1st number: 2 4/16, 2nd number: 2 3/9
36/16 + 21/9 is 55/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
36/16 = 36 × 9/16 × 9 = 324/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Add the two like fractions:
324/144 + 336/144 = 324 + 336/144 = 660/144 - 660/144 simplified gives 55/12
- So, 36/16 + 21/9 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/16+21/9 36/16+42/9 36/32+21/9 36/16+21/18 36/16+63/9 36/48+21/9 36/16+21/27 36/80+21/9 36/16+21/45 36/16+21/63