Add 50/15 and 81/56
1st number: 3 5/15, 2nd number: 1 25/56
50/15 + 81/56 is 803/168.
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,
50/15 = 50 × 56/15 × 56 = 2800/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Add the two like fractions:
2800/840 + 1215/840 = 2800 + 1215/840 = 4015/840 - 4015/840 simplified gives 803/168
- So, 50/15 + 81/56 = 803/168
In mixed form: 4131/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+81/56 50/45+81/56 50/75+81/56