Add 54/4 and 40/45
1st number: 13 2/4, 2nd number: 40/45
54/4 + 40/45 is 259/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
54/4 = 54 × 45/4 × 45 = 2430/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
40/45 = 40 × 4/45 × 4 = 160/180 - Add the two like fractions:
2430/180 + 160/180 = 2430 + 160/180 = 2590/180 - 2590/180 simplified gives 259/18
- So, 54/4 + 40/45 = 259/18
In mixed form: 147/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+80/45 54/8+40/45 54/4+40/90 54/12+40/45 54/20+40/45 54/28+40/45