Add 7/15 and 25/14, Solve 7/15 + 1 11/14 as a fraction

Add 7/15 and 25/14

1^st number: 7/15, 2^nd number: 1 11/14

7/15 + 25/14 is 473/210.

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,
7/15 = 7 × 14/15 × 14 = 98/210
Likewise, for the 2nd fraction, since 14 × 15 = 210,
25/14 = 25 × 15/14 × 15 = 375/210
Add the two like fractions:
98/210 + 375/210 = 98 + 375/210 = 473/210
So, 7/15 + 25/14 = 473/210
In mixed form: 253/210

MathStep (Works offline)

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