Add 75/20 and 12/50
1st number: 3 15/20, 2nd number: 12/50
75/20 + 12/50 is 399/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
75/20 = 75 × 5/20 × 5 = 375/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
12/50 = 12 × 2/50 × 2 = 24/100 - Add the two like fractions:
375/100 + 24/100 = 375 + 24/100 = 399/100 - So, 75/20 + 12/50 = 399/100
In mixed form: 399/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20+24/50 75/40+12/50 75/20+36/50 75/60+12/50 75/20+60/50 75/20+84/50