Add 27/20 and 9/84
1st number: 1 7/20, 2nd number: 9/84
27/20 + 9/84 is 51/35.
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,
27/20 = 27 × 21/20 × 21 = 567/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Add the two like fractions:
567/420 + 45/420 = 567 + 45/420 = 612/420 - 612/420 simplified gives 51/35
- So, 27/20 + 9/84 = 51/35
In mixed form: 116/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+9/84 27/20+18/84 27/40+9/84 81/20+9/84 27/20+27/84 27/60+9/84 27/20+45/84 27/20+63/84