Add 50/12 and 45/70
1st number: 4 2/12, 2nd number: 45/70
50/12 + 45/70 is 101/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
50/12 = 50 × 35/12 × 35 = 1750/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420 - Add the two like fractions:
1750/420 + 270/420 = 1750 + 270/420 = 2020/420 - 2020/420 simplified gives 101/21
- So, 50/12 + 45/70 = 101/21
In mixed form: 417/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+90/70 50/24+45/70 50/36+45/70 50/60+45/70 50/84+45/70