Add 20/25 and 72/8
1st number: 20/25, 2nd number: 9 0/8
20/25 + 72/8 is 49/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
72/8 = 72 × 25/8 × 25 = 1800/200 - Add the two like fractions:
160/200 + 1800/200 = 160 + 1800/200 = 1960/200 - 1960/200 simplified gives 49/5
- So, 20/25 + 72/8 = 49/5
In mixed form: 94/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+72/8 20/50+72/8 20/25+72/16 60/25+72/8 20/75+72/8 20/25+72/24 20/25+72/40 20/25+72/56