Add 54/90 and 49/4
1st number: 54/90, 2nd number: 12 1/4
54/90 + 49/4 is 257/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
54/90 = 54 × 2/90 × 2 = 108/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
49/4 = 49 × 45/4 × 45 = 2205/180 - Add the two like fractions:
108/180 + 2205/180 = 108 + 2205/180 = 2313/180 - 2313/180 simplified gives 257/20
- So, 54/90 + 49/4 = 257/20
In mixed form: 1217/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+98/4 54/90+49/8 54/90+49/12 54/90+49/20 54/90+49/28