Add 45/15 and 50/56
1st number: 3 0/15, 2nd number: 50/56
45/15 + 50/56 is 109/28.
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,
45/15 = 45 × 56/15 × 56 = 2520/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
50/56 = 50 × 15/56 × 15 = 750/840 - Add the two like fractions:
2520/840 + 750/840 = 2520 + 750/840 = 3270/840 - 3270/840 simplified gives 109/28
- So, 45/15 + 50/56 = 109/28
In mixed form: 325/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+50/56 45/30+50/56 45/75+50/56