Add 54/60 and 12/40
54/60 + 12/40 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
54/60 = 54 × 2/60 × 2 = 108/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Add the two like fractions:
108/120 + 36/120 = 108 + 36/120 = 144/120 - 144/120 simplified gives 6/5
- So, 54/60 + 12/40 = 6/5
In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+24/40 54/60+12/80 54/60+36/40 54/60+60/40 54/60+84/40