Add 70/50 and 4/80
1st number: 1 20/50, 2nd number: 4/80
70/50 + 4/80 is 29/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
70/50 = 70 × 8/50 × 8 = 560/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
4/80 = 4 × 5/80 × 5 = 20/400 - Add the two like fractions:
560/400 + 20/400 = 560 + 20/400 = 580/400 - 580/400 simplified gives 29/20
- So, 70/50 + 4/80 = 29/20
In mixed form: 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+8/80 70/50+12/80 70/50+20/80 70/50+28/80