Add 72/12 and 4/56
1st number: 6 0/12, 2nd number: 4/56
72/12 + 4/56 is 85/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
72/12 = 72 × 14/12 × 14 = 1008/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
4/56 = 4 × 3/56 × 3 = 12/168 - Add the two like fractions:
1008/168 + 12/168 = 1008 + 12/168 = 1020/168 - 1020/168 simplified gives 85/14
- So, 72/12 + 4/56 = 85/14
In mixed form: 61/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+8/56 72/24+4/56 72/12+12/56 72/36+4/56 72/12+20/56 72/60+4/56 72/12+28/56 72/84+4/56