Add 54/20 and 35/40
1st number: 2 14/20, 2nd number: 35/40
54/20 + 35/40 is 143/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
54/20 = 54 × 2/20 × 2 = 108/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
35/40 = 35 × 1/40 × 1 = 35/40 - Add the two like fractions:
108/40 + 35/40 = 108 + 35/40 = 143/40 - So, 54/20 + 35/40 = 143/40
In mixed form: 323/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+70/40 54/40+35/40 54/20+35/80 54/60+35/40