Add 20/60 and 54/84
20/60 + 54/84 is 41/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Add the two like fractions:
140/420 + 270/420 = 140 + 270/420 = 410/420 - 410/420 simplified gives 41/42
- So, 20/60 + 54/84 = 41/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+54/84