Add 28/4 and 2/40
1st number: 7 0/4, 2nd number: 2/40
28/4 + 2/40 is 141/20.
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,
28/4 = 28 × 10/4 × 10 = 280/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
2/40 = 2 × 1/40 × 1 = 2/40 - Add the two like fractions:
280/40 + 2/40 = 280 + 2/40 = 282/40 - 282/40 simplified gives 141/20
- So, 28/4 + 2/40 = 141/20
In mixed form: 71/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+2/40 28/4+4/40 28/8+2/40 28/4+2/80 84/4+2/40 28/4+6/40 28/12+2/40 28/4+10/40 28/20+2/40 28/4+14/40