Add 49/15 and 72/56
1st number: 3 4/15, 2nd number: 1 16/56
49/15 + 72/56 is 478/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
49/15 = 49 × 56/15 × 56 = 2744/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840 - Add the two like fractions:
2744/840 + 1080/840 = 2744 + 1080/840 = 3824/840 - 3824/840 simplified gives 478/105
- So, 49/15 + 72/56 = 478/105
In mixed form: 458/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15+72/56 49/30+72/56 49/45+72/56 49/75+72/56