Add 42/5 and 25/40
1st number: 8 2/5, 2nd number: 25/40
42/5 + 25/40 is 361/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
42/5 = 42 × 8/5 × 8 = 336/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
25/40 = 25 × 1/40 × 1 = 25/40 - Add the two like fractions:
336/40 + 25/40 = 336 + 25/40 = 361/40 - So, 42/5 + 25/40 = 361/40
In mixed form: 91/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+25/40 42/5+50/40 42/10+25/40 42/5+25/80 42/5+75/40 42/15+25/40 42/25+25/40 42/35+25/40