Add 40/49 and 12/20
40/49 + 12/20 is 347/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
40/49 = 40 × 20/49 × 20 = 800/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
12/20 = 12 × 49/20 × 49 = 588/980 - Add the two like fractions:
800/980 + 588/980 = 800 + 588/980 = 1388/980 - 1388/980 simplified gives 347/245
- So, 40/49 + 12/20 = 347/245
In mixed form: 1102/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49+12/20 40/49+24/20 40/98+12/20 40/49+12/40 40/49+36/20 40/49+12/60 40/49+60/20 40/49+84/20