Add 16/7 and 12/9
1st number: 2 2/7, 2nd number: 1 3/9
16/7 + 12/9 is 76/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
16/7 = 16 × 9/7 × 9 = 144/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
12/9 = 12 × 7/9 × 7 = 84/63 - Add the two like fractions:
144/63 + 84/63 = 144 + 84/63 = 228/63 - 228/63 simplified gives 76/21
- So, 16/7 + 12/9 = 76/21
In mixed form: 313/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/7+12/9 16/7+24/9 16/14+12/9 16/7+12/18 48/7+12/9 16/7+36/9 16/21+12/9 16/7+12/27 80/7+12/9 16/7+60/9 16/35+12/9 16/7+12/45 16/7+84/9 16/49+12/9 16/7+12/63