Add 72/15 and 4/14
1st number: 4 12/15, 2nd number: 4/14
72/15 + 4/14 is 178/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
72/15 = 72 × 14/15 × 14 = 1008/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
4/14 = 4 × 15/14 × 15 = 60/210 - Add the two like fractions:
1008/210 + 60/210 = 1008 + 60/210 = 1068/210 - 1068/210 simplified gives 178/35
- So, 72/15 + 4/14 = 178/35
In mixed form: 53/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+8/14 72/30+4/14 72/15+4/28 72/15+12/14 72/45+4/14 72/15+4/42 72/15+20/14 72/75+4/14 72/15+4/70 72/15+28/14 72/15+4/98