Add 6/4 and 20/42
1st number: 1 2/4, 2nd number: 20/42
6/4 + 20/42 is 83/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
6/4 = 6 × 21/4 × 21 = 126/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
20/42 = 20 × 2/42 × 2 = 40/84 - Add the two like fractions:
126/84 + 40/84 = 126 + 40/84 = 166/84 - 166/84 simplified gives 83/42
- So, 6/4 + 20/42 = 83/42
In mixed form: 141/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4+20/42 6/4+40/42 6/8+20/42 6/4+20/84 18/4+20/42 6/4+60/42 6/12+20/42 30/4+20/42 6/20+20/42 42/4+20/42 6/28+20/42