Add 54/8 and 35/20
1st number: 6 6/8, 2nd number: 1 15/20
54/8 + 35/20 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
54/8 = 54 × 5/8 × 5 = 270/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
35/20 = 35 × 2/20 × 2 = 70/40 - Add the two like fractions:
270/40 + 70/40 = 270 + 70/40 = 340/40 - 340/40 simplified gives 17/2
- So, 54/8 + 35/20 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+70/20 54/16+35/20 54/8+35/40 54/24+35/20 54/8+35/60 54/40+35/20 54/56+35/20