Add 1/5 and 84/40
1st number: 1/5, 2nd number: 2 4/40
1/5 + 84/40 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
1/5 = 1 × 8/5 × 8 = 8/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
84/40 = 84 × 1/40 × 1 = 84/40 - Add the two like fractions:
8/40 + 84/40 = 8 + 84/40 = 92/40 - 92/40 simplified gives 23/10
- So, 1/5 + 84/40 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+84/40 1/10+84/40 1/5+84/80 3/5+84/40 1/15+84/40 1/25+84/40 7/5+84/40 1/35+84/40