Add 8/84 and 56/8
1st number: 8/84, 2nd number: 7 0/8
8/84 + 56/8 is 149/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
8/84 = 8 × 2/84 × 2 = 16/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
56/8 = 56 × 21/8 × 21 = 1176/168 - Add the two like fractions:
16/168 + 1176/168 = 16 + 1176/168 = 1192/168 - 1192/168 simplified gives 149/21
- So, 8/84 + 56/8 = 149/21
In mixed form: 72/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+56/8 8/84+56/16 24/84+56/8 8/84+56/24 40/84+56/8 8/84+56/40 56/84+56/8