Add 3/20 and 12/49
3/20 + 12/49 is 387/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
3/20 = 3 × 49/20 × 49 = 147/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
12/49 = 12 × 20/49 × 20 = 240/980 - Add the two like fractions:
147/980 + 240/980 = 147 + 240/980 = 387/980 - So, 3/20 + 12/49 = 387/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+12/49 3/20+24/49 3/40+12/49 3/20+12/98 9/20+12/49 3/20+36/49 3/60+12/49 15/20+12/49 3/20+60/49 21/20+12/49 3/20+84/49