Add 36/21 and 50/28
1st number: 1 15/21, 2nd number: 1 22/28
36/21 + 50/28 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
36/21 = 36 × 4/21 × 4 = 144/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
50/28 = 50 × 3/28 × 3 = 150/84 - Add the two like fractions:
144/84 + 150/84 = 144 + 150/84 = 294/84 - 294/84 simplified gives 7/2
- So, 36/21 + 50/28 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+50/28 36/42+50/28 36/21+50/56 36/63+50/28 36/21+50/84