Add 5/21 and 56/4
1st number: 5/21, 2nd number: 14 0/4
5/21 + 56/4 is 299/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
5/21 = 5 × 4/21 × 4 = 20/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
56/4 = 56 × 21/4 × 21 = 1176/84 - Add the two like fractions:
20/84 + 1176/84 = 20 + 1176/84 = 1196/84 - 1196/84 simplified gives 299/21
- So, 5/21 + 56/4 = 299/21
In mixed form: 145/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+56/4 5/42+56/4 5/21+56/8 15/21+56/4 5/63+56/4 5/21+56/12 25/21+56/4 5/21+56/20 35/21+56/4 5/21+56/28