Add 3/15 and 20/49
3/15 + 20/49 is 149/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
3/15 = 3 × 49/15 × 49 = 147/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
20/49 = 20 × 15/49 × 15 = 300/735 - Add the two like fractions:
147/735 + 300/735 = 147 + 300/735 = 447/735 - 447/735 simplified gives 149/245
- So, 3/15 + 20/49 = 149/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+20/49 3/15+40/49 3/30+20/49 3/15+20/98 9/15+20/49 3/15+60/49 3/45+20/49 3/75+20/49 21/15+20/49