Add 50/20 and 72/16
1st number: 2 10/20, 2nd number: 4 8/16
50/20 + 72/16 is 7/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
50/20 = 50 × 4/20 × 4 = 200/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Add the two like fractions:
200/80 + 360/80 = 200 + 360/80 = 560/80 - 560/80 simplified gives 7/1
- So, 50/20 + 72/16 = 7/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+72/16 50/20+72/32 50/60+72/16 50/20+72/48 50/20+72/80