Add 56/20 and 20/84
1st number: 2 16/20, 2nd number: 20/84
56/20 + 20/84 is 319/105.
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,
56/20 = 56 × 21/20 × 21 = 1176/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Add the two like fractions:
1176/420 + 100/420 = 1176 + 100/420 = 1276/420 - 1276/420 simplified gives 319/105
- So, 56/20 + 20/84 = 319/105
In mixed form: 34/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20+40/84 56/40+20/84 56/20+60/84 56/60+20/84