Add 70/25 and 27/20
1st number: 2 20/25, 2nd number: 1 7/20
70/25 + 27/20 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
70/25 = 70 × 4/25 × 4 = 280/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
27/20 = 27 × 5/20 × 5 = 135/100 - Add the two like fractions:
280/100 + 135/100 = 280 + 135/100 = 415/100 - 415/100 simplified gives 83/20
- So, 70/25 + 27/20 = 83/20
In mixed form: 43/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+54/20 70/50+27/20 70/25+27/40 70/25+81/20 70/75+27/20 70/25+27/60