Add 72/80 and 25/54
72/80 + 25/54 is 184/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
72/80 = 72 × 27/80 × 27 = 1944/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
25/54 = 25 × 40/54 × 40 = 1000/2160 - Add the two like fractions:
1944/2160 + 1000/2160 = 1944 + 1000/2160 = 2944/2160 - 2944/2160 simplified gives 184/135
- So, 72/80 + 25/54 = 184/135
In mixed form: 149/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80+50/54 72/80+75/54