Add 20/25 and 54/84
20/25 + 54/84 is 101/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
20/25 = 20 × 84/25 × 84 = 1680/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
54/84 = 54 × 25/84 × 25 = 1350/2100 - Add the two like fractions:
1680/2100 + 1350/2100 = 1680 + 1350/2100 = 3030/2100 - 3030/2100 simplified gives 101/70
- So, 20/25 + 54/84 = 101/70
In mixed form: 131/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+54/84 20/50+54/84 60/25+54/84 20/75+54/84