Add 5/56 and 25/21
1st number: 5/56, 2nd number: 1 4/21
5/56 + 25/21 is 215/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
5/56 = 5 × 3/56 × 3 = 15/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
25/21 = 25 × 8/21 × 8 = 200/168 - Add the two like fractions:
15/168 + 200/168 = 15 + 200/168 = 215/168 - So, 5/56 + 25/21 = 215/168
In mixed form: 147/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+25/21 5/56+50/21 5/56+25/42 15/56+25/21 5/56+75/21 5/56+25/63 25/56+25/21 35/56+25/21