Add 72/49 and 72/54
1st number: 1 23/49, 2nd number: 1 18/54
72/49 + 72/54 is 412/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,
72/49 = 72 × 54/49 × 54 = 3888/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
72/54 = 72 × 49/54 × 49 = 3528/2646 - Add the two like fractions:
3888/2646 + 3528/2646 = 3888 + 3528/2646 = 7416/2646 - 7416/2646 simplified gives 412/147
- So, 72/49 + 72/54 = 412/147
In mixed form: 2118/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+72/54