Add 50/49 and 20/70
1st number: 1 1/49, 2nd number: 20/70
50/49 + 20/70 is 64/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
50/49 = 50 × 10/49 × 10 = 500/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
20/70 = 20 × 7/70 × 7 = 140/490 - Add the two like fractions:
500/490 + 140/490 = 500 + 140/490 = 640/490 - 640/490 simplified gives 64/49
- So, 50/49 + 20/70 = 64/49
In mixed form: 115/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/49+40/70 50/98+20/70 50/49+60/70