Add 50/21 and 12/80
1st number: 2 8/21, 2nd number: 12/80
50/21 + 12/80 is 1063/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 21 × 80 = 1680,
50/21 = 50 × 80/21 × 80 = 4000/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
12/80 = 12 × 21/80 × 21 = 252/1680 - Add the two like fractions:
4000/1680 + 252/1680 = 4000 + 252/1680 = 4252/1680 - 4252/1680 simplified gives 1063/420
- So, 50/21 + 12/80 = 1063/420
In mixed form: 2223/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+24/80 50/42+12/80 50/21+36/80 50/63+12/80 50/21+60/80 50/21+84/80