Add 4/80 and 90/50
1st number: 4/80, 2nd number: 1 40/50
4/80 + 90/50 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
4/80 = 4 × 5/80 × 5 = 20/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
90/50 = 90 × 8/50 × 8 = 720/400 - Add the two like fractions:
20/400 + 720/400 = 20 + 720/400 = 740/400 - 740/400 simplified gives 37/20
- So, 4/80 + 90/50 = 37/20
In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80+90/50 12/80+90/50 20/80+90/50 28/80+90/50