Add 98/56 and 56/90
1st number: 1 42/56, 2nd number: 56/90
98/56 + 56/90 is 427/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
98/56 = 98 × 45/56 × 45 = 4410/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
56/90 = 56 × 28/90 × 28 = 1568/2520 - Add the two like fractions:
4410/2520 + 1568/2520 = 4410 + 1568/2520 = 5978/2520 - 5978/2520 simplified gives 427/180
- So, 98/56 + 56/90 = 427/180
In mixed form: 267/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: