Add 20/25 and 4/84
20/25 + 4/84 is 89/105.
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,
4/84 = 4 × 25/84 × 25 = 100/2100 - Add the two like fractions:
1680/2100 + 100/2100 = 1680 + 100/2100 = 1780/2100 - 1780/2100 simplified gives 89/105
- So, 20/25 + 4/84 = 89/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+4/84 20/25+8/84 20/50+4/84 60/25+4/84 20/25+12/84 20/75+4/84 20/25+20/84 20/25+28/84