Add 90/49 and 70/54
1st number: 1 41/49, 2nd number: 1 16/54
90/49 + 70/54 is 4145/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,
90/49 = 90 × 54/49 × 54 = 4860/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
70/54 = 70 × 49/54 × 49 = 3430/2646 - Add the two like fractions:
4860/2646 + 3430/2646 = 4860 + 3430/2646 = 8290/2646 - 8290/2646 simplified gives 4145/1323
- So, 90/49 + 70/54 = 4145/1323
In mixed form: 3176/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+70/54