Add 54/21 and 4/56
1st number: 2 12/21, 2nd number: 4/56
54/21 + 4/56 is 37/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
54/21 = 54 × 8/21 × 8 = 432/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
4/56 = 4 × 3/56 × 3 = 12/168 - Add the two like fractions:
432/168 + 12/168 = 432 + 12/168 = 444/168 - 444/168 simplified gives 37/14
- So, 54/21 + 4/56 = 37/14
In mixed form: 29/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+8/56 54/42+4/56 54/21+12/56 54/63+4/56 54/21+20/56 54/21+28/56