Add 4/20 and 40/49
4/20 + 40/49 is 249/245.
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,
4/20 = 4 × 49/20 × 49 = 196/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
40/49 = 40 × 20/49 × 20 = 800/980 - Add the two like fractions:
196/980 + 800/980 = 196 + 800/980 = 996/980 - 996/980 simplified gives 249/245
- So, 4/20 + 40/49 = 249/245
In mixed form: 14/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+40/49 4/20+80/49 4/40+40/49 4/20+40/98 12/20+40/49 4/60+40/49 28/20+40/49