Add 84/2 and 2/40
1st number: 42 0/2, 2nd number: 2/40
84/2 + 2/40 is 841/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
84/2 = 84 × 20/2 × 20 = 1680/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
2/40 = 2 × 1/40 × 1 = 2/40 - Add the two like fractions:
1680/40 + 2/40 = 1680 + 2/40 = 1682/40 - 1682/40 simplified gives 841/20
- So, 84/2 + 2/40 = 841/20
In mixed form: 421/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+4/40 84/4+2/40 84/2+2/80 84/2+6/40 84/6+2/40 84/2+10/40 84/10+2/40 84/2+14/40 84/14+2/40