Add 15/20 and 4/49
15/20 + 4/49 is 163/196.
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,
15/20 = 15 × 49/20 × 49 = 735/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
4/49 = 4 × 20/49 × 20 = 80/980 - Add the two like fractions:
735/980 + 80/980 = 735 + 80/980 = 815/980 - 815/980 simplified gives 163/196
- So, 15/20 + 4/49 = 163/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+4/49 15/20+8/49 15/40+4/49 15/20+4/98 45/20+4/49 15/20+12/49 15/60+4/49 75/20+4/49 15/20+20/49 15/20+28/49