Add 70/25 and 5/42
1st number: 2 20/25, 2nd number: 5/42
70/25 + 5/42 is 613/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
70/25 = 70 × 42/25 × 42 = 2940/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
5/42 = 5 × 25/42 × 25 = 125/1050 - Add the two like fractions:
2940/1050 + 125/1050 = 2940 + 125/1050 = 3065/1050 - 3065/1050 simplified gives 613/210
- So, 70/25 + 5/42 = 613/210
In mixed form: 2193/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+10/42 70/50+5/42 70/25+5/84 70/25+15/42 70/75+5/42 70/25+25/42 70/25+35/42