Add 48/36 and 84/21
1st number: 1 12/36, 2nd number: 4 0/21
48/36 + 84/21 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
48/36 = 48 × 7/36 × 7 = 336/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
84/21 = 84 × 12/21 × 12 = 1008/252 - Add the two like fractions:
336/252 + 1008/252 = 336 + 1008/252 = 1344/252 - 1344/252 simplified gives 16/3
- So, 48/36 + 84/21 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/36+84/21 48/72+84/21 48/36+84/42 48/36+84/63