Add 54/80 and 40/30
1st number: 54/80, 2nd number: 1 10/30
54/80 + 40/30 is 241/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
54/80 = 54 × 3/80 × 3 = 162/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
40/30 = 40 × 8/30 × 8 = 320/240 - Add the two like fractions:
162/240 + 320/240 = 162 + 320/240 = 482/240 - 482/240 simplified gives 241/120
- So, 54/80 + 40/30 = 241/120
In mixed form: 21/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+80/30 54/80+40/60 54/80+40/90