Add 20/25 and 84/16
1st number: 20/25, 2nd number: 5 4/16
20/25 + 84/16 is 121/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
20/25 = 20 × 16/25 × 16 = 320/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
84/16 = 84 × 25/16 × 25 = 2100/400 - Add the two like fractions:
320/400 + 2100/400 = 320 + 2100/400 = 2420/400 - 2420/400 simplified gives 121/20
- So, 20/25 + 84/16 = 121/20
In mixed form: 61/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+84/16 20/50+84/16 20/25+84/32 60/25+84/16 20/75+84/16 20/25+84/48 20/25+84/80