Add 84/4 and 20/16
1st number: 21 0/4, 2nd number: 1 4/16
84/4 + 20/16 is 89/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
84/4 = 84 × 4/4 × 4 = 336/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
20/16 = 20 × 1/16 × 1 = 20/16 - Add the two like fractions:
336/16 + 20/16 = 336 + 20/16 = 356/16 - 356/16 simplified gives 89/4
- So, 84/4 + 20/16 = 89/4
In mixed form: 221/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+40/16 84/8+20/16 84/4+20/32 84/4+60/16 84/12+20/16 84/4+20/48 84/20+20/16 84/4+20/80 84/28+20/16