Add 40/25 and 84/80
1st number: 1 15/25, 2nd number: 1 4/80
40/25 + 84/80 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
40/25 = 40 × 16/25 × 16 = 640/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
84/80 = 84 × 5/80 × 5 = 420/400 - Add the two like fractions:
640/400 + 420/400 = 640 + 420/400 = 1060/400 - 1060/400 simplified gives 53/20
- So, 40/25 + 84/80 = 53/20
In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25+84/80 40/50+84/80 40/75+84/80