Add 8/84 and 49/20
1st number: 8/84, 2nd number: 2 9/20
8/84 + 49/20 is 1069/420.
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,
49/20 = 49 × 21/20 × 21 = 1029/420 - Add the two like fractions:
40/420 + 1029/420 = 40 + 1029/420 = 1069/420 - So, 8/84 + 49/20 = 1069/420
In mixed form: 2229/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+49/20 8/84+98/20 8/84+49/40 24/84+49/20 8/84+49/60 40/84+49/20 56/84+49/20