Add 6/20 and 30/84
6/20 + 30/84 is 23/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 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 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Add the two like fractions:
126/420 + 150/420 = 126 + 150/420 = 276/420 - 276/420 simplified gives 23/35
- So, 6/20 + 30/84 = 23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+30/84 6/20+60/84 6/40+30/84 18/20+30/84 6/20+90/84 6/60+30/84 30/20+30/84 42/20+30/84