Add 90/3 and 40/56
1st number: 30 0/3, 2nd number: 40/56
90/3 + 40/56 is 215/7.
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,
90/3 = 90 × 56/3 × 56 = 5040/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
40/56 = 40 × 3/56 × 3 = 120/168 - Add the two like fractions:
5040/168 + 120/168 = 5040 + 120/168 = 5160/168 - 5160/168 simplified gives 215/7
- So, 90/3 + 40/56 = 215/7
In mixed form: 305/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+80/56 90/6+40/56 90/9+40/56 90/15+40/56 90/21+40/56