Add 12/20 and 4/49
12/20 + 4/49 is 167/245.
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,
12/20 = 12 × 49/20 × 49 = 588/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
4/49 = 4 × 20/49 × 20 = 80/980 - Add the two like fractions:
588/980 + 80/980 = 588 + 80/980 = 668/980 - 668/980 simplified gives 167/245
- So, 12/20 + 4/49 = 167/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+4/49 12/20+8/49 12/40+4/49 12/20+4/98 36/20+4/49 12/20+12/49 12/60+4/49 60/20+4/49 12/20+20/49 84/20+4/49 12/20+28/49