Add 4/30 and 20/49
4/30 + 20/49 is 398/735.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
4/30 = 4 × 49/30 × 49 = 196/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
20/49 = 20 × 30/49 × 30 = 600/1470 - Add the two like fractions:
196/1470 + 600/1470 = 196 + 600/1470 = 796/1470 - 796/1470 simplified gives 398/735
- So, 4/30 + 20/49 = 398/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+20/49 4/30+40/49 4/60+20/49 4/30+20/98 12/30+20/49 4/30+60/49 4/90+20/49 20/30+20/49 28/30+20/49