Add 15/3 and 90/56
1st number: 5 0/3, 2nd number: 1 34/56
15/3 + 90/56 is 185/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
15/3 = 15 × 56/3 × 56 = 840/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Add the two like fractions:
840/168 + 270/168 = 840 + 270/168 = 1110/168 - 1110/168 simplified gives 185/28
- So, 15/3 + 90/56 = 185/28
In mixed form: 617/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+90/56 15/6+90/56 45/3+90/56 15/9+90/56 75/3+90/56 15/21+90/56