Add 7/42 and 56/8
1st number: 7/42, 2nd number: 7 0/8
7/42 + 56/8 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
7/42 = 7 × 4/42 × 4 = 28/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
56/8 = 56 × 21/8 × 21 = 1176/168 - Add the two like fractions:
28/168 + 1176/168 = 28 + 1176/168 = 1204/168 - 1204/168 simplified gives 43/6
- So, 7/42 + 56/8 = 43/6
In mixed form: 71/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+56/8 7/84+56/8 7/42+56/16 21/42+56/8 7/42+56/24 35/42+56/8 7/42+56/40 49/42+56/8