Add 6/20 and 8/42
6/20 + 8/42 is 103/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
6/20 = 6 × 21/20 × 21 = 126/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
8/42 = 8 × 10/42 × 10 = 80/420 - Add the two like fractions:
126/420 + 80/420 = 126 + 80/420 = 206/420 - 206/420 simplified gives 103/210
- So, 6/20 + 8/42 = 103/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+8/42 6/20+16/42 6/40+8/42 6/20+8/84 18/20+8/42 6/20+24/42 6/60+8/42 30/20+8/42 6/20+40/42 42/20+8/42 6/20+56/42