Add 5/21 and 50/8
1st number: 5/21, 2nd number: 6 2/8
5/21 + 50/8 is 545/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
5/21 = 5 × 8/21 × 8 = 40/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
50/8 = 50 × 21/8 × 21 = 1050/168 - Add the two like fractions:
40/168 + 1050/168 = 40 + 1050/168 = 1090/168 - 1090/168 simplified gives 545/84
- So, 5/21 + 50/8 = 545/84
In mixed form: 641/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+50/8 5/42+50/8 5/21+50/16 15/21+50/8 5/63+50/8 5/21+50/24 25/21+50/8 5/21+50/40 35/21+50/8 5/21+50/56