Add 20/84 and 8/60
20/84 + 8/60 is 13/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
8/60 = 8 × 7/60 × 7 = 56/420 - Add the two like fractions:
100/420 + 56/420 = 100 + 56/420 = 156/420 - 156/420 simplified gives 13/35
- So, 20/84 + 8/60 = 13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+8/60 20/84+16/60 60/84+8/60 20/84+24/60 20/84+40/60 20/84+56/60