Add 84/16 and 56/20
1st number: 5 4/16, 2nd number: 2 16/20
84/16 + 56/20 is 161/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
84/16 = 84 × 5/16 × 5 = 420/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
56/20 = 56 × 4/20 × 4 = 224/80 - Add the two like fractions:
420/80 + 224/80 = 420 + 224/80 = 644/80 - 644/80 simplified gives 161/20
- So, 84/16 + 56/20 = 161/20
In mixed form: 81/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32+56/20 84/16+56/40 84/48+56/20 84/16+56/60 84/80+56/20