Add 5/54 and 72/56
1st number: 5/54, 2nd number: 1 16/56
5/54 + 72/56 is 521/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
5/54 = 5 × 28/54 × 28 = 140/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
72/56 = 72 × 27/56 × 27 = 1944/1512 - Add the two like fractions:
140/1512 + 1944/1512 = 140 + 1944/1512 = 2084/1512 - 2084/1512 simplified gives 521/378
- So, 5/54 + 72/56 = 521/378
In mixed form: 1143/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54+72/56 15/54+72/56 25/54+72/56 35/54+72/56