Add 3/28 and 72/14
1st number: 3/28, 2nd number: 5 2/14
3/28 + 72/14 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
3/28 = 3 × 1/28 × 1 = 3/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
72/14 = 72 × 2/14 × 2 = 144/28 - Add the two like fractions:
3/28 + 144/28 = 3 + 144/28 = 147/28 - 147/28 simplified gives 21/4
- So, 3/28 + 72/14 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+72/14 3/56+72/14 3/28+72/28 9/28+72/14 3/84+72/14 3/28+72/42 15/28+72/14 3/28+72/70 21/28+72/14 3/28+72/98