Add 45/54 and 25/7
1st number: 45/54, 2nd number: 3 4/7
45/54 + 25/7 is 185/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
45/54 = 45 × 7/54 × 7 = 315/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
25/7 = 25 × 54/7 × 54 = 1350/378 - Add the two like fractions:
315/378 + 1350/378 = 315 + 1350/378 = 1665/378 - 1665/378 simplified gives 185/42
- So, 45/54 + 25/7 = 185/42
In mixed form: 417/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+25/7 45/54+50/7 45/54+25/14 45/54+75/7 45/54+25/21 45/54+25/35 45/54+25/49