Add 54/8 and 90/50
1st number: 6 6/8, 2nd number: 1 40/50
54/8 + 90/50 is 171/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
54/8 = 54 × 25/8 × 25 = 1350/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
90/50 = 90 × 4/50 × 4 = 360/200 - Add the two like fractions:
1350/200 + 360/200 = 1350 + 360/200 = 1710/200 - 1710/200 simplified gives 171/20
- So, 54/8 + 90/50 = 171/20
In mixed form: 811/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/16+90/50 54/24+90/50 54/40+90/50 54/56+90/50