Add 20/25 and 3/16
20/25 + 3/16 is 79/80.
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,
3/16 = 3 × 25/16 × 25 = 75/400 - Add the two like fractions:
320/400 + 75/400 = 320 + 75/400 = 395/400 - 395/400 simplified gives 79/80
- So, 20/25 + 3/16 = 79/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+3/16 20/25+6/16 20/50+3/16 20/25+3/32 60/25+3/16 20/25+9/16 20/75+3/16 20/25+3/48 20/25+15/16 20/25+3/80 20/25+21/16