Add 25/45 and 16/7, Solve 25/45 + 2 2/7 as a fraction

Add 25/45 and 16/7

1^st number: 25/45, 2^nd number: 2 2/7

25/45 + 16/7 is 179/63.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 45 × 7 = 315,
25/45 = 25 × 7/45 × 7 = 175/315
Likewise, for the 2nd fraction, since 7 × 45 = 315,
16/7 = 16 × 45/7 × 45 = 720/315
Add the two like fractions:
175/315 + 720/315 = 175 + 720/315 = 895/315
895/315 simplified gives 179/63
So, 25/45 + 16/7 = 179/63
In mixed form: 253/63

MathStep (Works offline)

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