Add 42/25 and 8/45
1st number: 1 17/25, 2nd number: 8/45
42/25 + 8/45 is 418/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
42/25 = 42 × 9/25 × 9 = 378/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
8/45 = 8 × 5/45 × 5 = 40/225 - Add the two like fractions:
378/225 + 40/225 = 378 + 40/225 = 418/225 - So, 42/25 + 8/45 = 418/225
In mixed form: 1193/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+8/45 42/25+16/45 42/50+8/45 42/25+8/90 42/25+24/45 42/75+8/45 42/25+40/45 42/25+56/45