Add 45/25 and 4/27, Solve 1 20/25 + 4/27 as a fraction

Add 45/25 and 4/27

1^st number: 1 20/25, 2^nd number: 4/27

45/25 + 4/27 is 263/135.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
45/25 = 45 × 27/25 × 27 = 1215/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
4/27 = 4 × 25/27 × 25 = 100/675
Add the two like fractions:
1215/675 + 100/675 = 1215 + 100/675 = 1315/675
1315/675 simplified gives 263/135
So, 45/25 + 4/27 = 263/135
In mixed form: 1128/135

MathStep (Works offline)

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