Add 84/40 and 5/4
1st number: 2 4/40, 2nd number: 1 1/4
84/40 + 5/4 is 67/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
84/40 = 84 × 1/40 × 1 = 84/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
5/4 = 5 × 10/4 × 10 = 50/40 - Add the two like fractions:
84/40 + 50/40 = 84 + 50/40 = 134/40 - 134/40 simplified gives 67/20
- So, 84/40 + 5/4 = 67/20
In mixed form: 37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+10/4 84/80+5/4 84/40+5/8 84/40+15/4 84/40+5/12 84/40+25/4 84/40+5/20 84/40+35/4 84/40+5/28