Add 7/5 and 84/40
1st number: 1 2/5, 2nd number: 2 4/40
7/5 + 84/40 is 7/2.
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,
7/5 = 7 × 8/5 × 8 = 56/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
84/40 = 84 × 1/40 × 1 = 84/40 - Add the two like fractions:
56/40 + 84/40 = 56 + 84/40 = 140/40 - 140/40 simplified gives 7/2
- So, 7/5 + 84/40 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+84/40 7/10+84/40 7/5+84/80 21/5+84/40 7/15+84/40 35/5+84/40 7/25+84/40 49/5+84/40 7/35+84/40