Add 5/25 and 42/84
5/25 + 42/84 is 7/10.
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,
5/25 = 5 × 84/25 × 84 = 420/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
42/84 = 42 × 25/84 × 25 = 1050/2100 - Add the two like fractions:
420/2100 + 1050/2100 = 420 + 1050/2100 = 1470/2100 - 1470/2100 simplified gives 7/10
- So, 5/25 + 42/84 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/25+42/84 5/50+42/84 15/25+42/84 5/75+42/84 35/25+42/84