Add 42/8 and 21/50
1st number: 5 2/8, 2nd number: 21/50
42/8 + 21/50 is 567/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
42/8 = 42 × 25/8 × 25 = 1050/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Add the two like fractions:
1050/200 + 84/200 = 1050 + 84/200 = 1134/200 - 1134/200 simplified gives 567/100
- So, 42/8 + 21/50 = 567/100
In mixed form: 567/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+21/50 42/8+42/50 42/16+21/50 42/8+63/50 42/24+21/50 42/40+21/50 42/56+21/50