Add 18/80 and 84/60
1st number: 18/80, 2nd number: 1 24/60
18/80 + 84/60 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
18/80 = 18 × 3/80 × 3 = 54/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
84/60 = 84 × 4/60 × 4 = 336/240 - Add the two like fractions:
54/240 + 336/240 = 54 + 336/240 = 390/240 - 390/240 simplified gives 13/8
- So, 18/80 + 84/60 = 13/8
In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80+84/60 54/80+84/60 90/80+84/60