Add 5/40 and 50/20
1st number: 5/40, 2nd number: 2 10/20
5/40 + 50/20 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
50/20 = 50 × 2/20 × 2 = 100/40 - Add the two like fractions:
5/40 + 100/40 = 5 + 100/40 = 105/40 - 105/40 simplified gives 21/8
- So, 5/40 + 50/20 = 21/8
In mixed form: 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+50/20 5/80+50/20 5/40+50/40 15/40+50/20 5/40+50/60 25/40+50/20 35/40+50/20