Add 4/42 and 20/50
4/42 + 20/50 is 52/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
4/42 = 4 × 25/42 × 25 = 100/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
20/50 = 20 × 21/50 × 21 = 420/1050 - Add the two like fractions:
100/1050 + 420/1050 = 100 + 420/1050 = 520/1050 - 520/1050 simplified gives 52/105
- So, 4/42 + 20/50 = 52/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+20/50 4/42+40/50 4/84+20/50 12/42+20/50 4/42+60/50 20/42+20/50 28/42+20/50