Add 48/40 and 84/80
1st number: 1 8/40, 2nd number: 1 4/80
48/40 + 84/80 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
48/40 = 48 × 2/40 × 2 = 96/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Add the two like fractions:
96/80 + 84/80 = 96 + 84/80 = 180/80 - 180/80 simplified gives 9/4
- So, 48/40 + 84/80 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/40+84/80 48/80+84/80