Add 30/14 and 9/72, Solve 2 2/14 + 9/72 as a fraction

Add 30/14 and 9/72

1^st number: 2 2/14, 2^nd number: 9/72

30/14 + 9/72 is 127/56.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 14 × 36 = 504,
30/14 = 30 × 36/14 × 36 = 1080/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504
Add the two like fractions:
1080/504 + 63/504 = 1080 + 63/504 = 1143/504
1143/504 simplified gives 127/56
So, 30/14 + 9/72 = 127/56
In mixed form: 215/56

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad