Add 12/4 and 5/40
1st number: 3 0/4, 2nd number: 5/40
12/4 + 5/40 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
12/4 = 12 × 10/4 × 10 = 120/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Add the two like fractions:
120/40 + 5/40 = 120 + 5/40 = 125/40 - 125/40 simplified gives 25/8
- So, 12/4 + 5/40 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+5/40 12/4+10/40 12/8+5/40 12/4+5/80 36/4+5/40 12/4+15/40 60/4+5/40 12/4+25/40 12/20+5/40 84/4+5/40 12/4+35/40 12/28+5/40