Add 1/25 and 42/40
1st number: 1/25, 2nd number: 1 2/40
1/25 + 42/40 is 109/100.
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,
1/25 = 1 × 8/25 × 8 = 8/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
42/40 = 42 × 5/40 × 5 = 210/200 - Add the two like fractions:
8/200 + 210/200 = 8 + 210/200 = 218/200 - 218/200 simplified gives 109/100
- So, 1/25 + 42/40 = 109/100
In mixed form: 19/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/25+42/40 1/25+84/40 1/50+42/40 1/25+42/80 3/25+42/40 1/75+42/40 5/25+42/40 7/25+42/40