Add 12/20 and 35/8
1st number: 12/20, 2nd number: 4 3/8
12/20 + 35/8 is 199/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
12/20 = 12 × 2/20 × 2 = 24/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
35/8 = 35 × 5/8 × 5 = 175/40 - Add the two like fractions:
24/40 + 175/40 = 24 + 175/40 = 199/40 - So, 12/20 + 35/8 = 199/40
In mixed form: 439/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+35/8 12/20+70/8 12/40+35/8 12/20+35/16 36/20+35/8 12/60+35/8 12/20+35/24 60/20+35/8 12/20+35/40 84/20+35/8 12/20+35/56