Add 54/49 and 45/90
1st number: 1 5/49, 2nd number: 45/90
54/49 + 45/90 is 157/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
54/49 = 54 × 90/49 × 90 = 4860/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
45/90 = 45 × 49/90 × 49 = 2205/4410 - Add the two like fractions:
4860/4410 + 2205/4410 = 4860 + 2205/4410 = 7065/4410 - 7065/4410 simplified gives 157/98
- So, 54/49 + 45/90 = 157/98
In mixed form: 159/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98+45/90