Add 7/12 and 30/56
7/12 + 30/56 is 47/42.
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,
7/12 = 7 × 14/12 × 14 = 98/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Add the two like fractions:
98/168 + 90/168 = 98 + 90/168 = 188/168 - 188/168 simplified gives 47/42
- So, 7/12 + 30/56 = 47/42
In mixed form: 15/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12+30/56 7/12+60/56 7/24+30/56 21/12+30/56 7/12+90/56 7/36+30/56 35/12+30/56 7/60+30/56 49/12+30/56 7/84+30/56