Add 8/84 and 35/20
1st number: 8/84, 2nd number: 1 15/20
8/84 + 35/20 is 155/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
35/20 = 35 × 21/20 × 21 = 735/420 - Add the two like fractions:
40/420 + 735/420 = 40 + 735/420 = 775/420 - 775/420 simplified gives 155/84
- So, 8/84 + 35/20 = 155/84
In mixed form: 171/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+35/20 8/84+70/20 8/84+35/40 24/84+35/20 8/84+35/60 40/84+35/20 56/84+35/20