Add 3/25 and 42/40
1st number: 3/25, 2nd number: 1 2/40
3/25 + 42/40 is 117/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
3/25 = 3 × 8/25 × 8 = 24/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
42/40 = 42 × 5/40 × 5 = 210/200 - Add the two like fractions:
24/200 + 210/200 = 24 + 210/200 = 234/200 - 234/200 simplified gives 117/100
- So, 3/25 + 42/40 = 117/100
In mixed form: 117/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25+42/40 3/25+84/40 3/50+42/40 3/25+42/80 9/25+42/40 3/75+42/40 15/25+42/40 21/25+42/40