Add 84/7 and 28/56
1st number: 12 0/7, 2nd number: 28/56
84/7 + 28/56 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
84/7 = 84 × 8/7 × 8 = 672/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
28/56 = 28 × 1/56 × 1 = 28/56 - Add the two like fractions:
672/56 + 28/56 = 672 + 28/56 = 700/56 - 700/56 simplified gives 25/2
- So, 84/7 + 28/56 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+28/56 84/7+84/56 84/21+28/56 84/35+28/56 84/49+28/56