Add 72/84 and 50/14
1st number: 72/84, 2nd number: 3 8/14
72/84 + 50/14 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
72/84 = 72 × 1/84 × 1 = 72/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
50/14 = 50 × 6/14 × 6 = 300/84 - Add the two like fractions:
72/84 + 300/84 = 72 + 300/84 = 372/84 - 372/84 simplified gives 31/7
- So, 72/84 + 50/14 = 31/7
In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+50/28 72/84+50/42 72/84+50/70 72/84+50/98