Add 3/5 and 20/84
3/5 + 20/84 is 88/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
3/5 = 3 × 84/5 × 84 = 252/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Add the two like fractions:
252/420 + 100/420 = 252 + 100/420 = 352/420 - 352/420 simplified gives 88/105
- So, 3/5 + 20/84 = 88/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+20/84 3/5+40/84 3/10+20/84 9/5+20/84 3/5+60/84 3/15+20/84 15/5+20/84 3/25+20/84 21/5+20/84 3/35+20/84