Add 45/42 and 5/25
1st number: 1 3/42, 2nd number: 5/25
45/42 + 5/25 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
45/42 = 45 × 25/42 × 25 = 1125/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
5/25 = 5 × 42/25 × 42 = 210/1050 - Add the two like fractions:
1125/1050 + 210/1050 = 1125 + 210/1050 = 1335/1050 - 1335/1050 simplified gives 89/70
- So, 45/42 + 5/25 = 89/70
In mixed form: 119/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+5/25 45/42+10/25 45/84+5/25 45/42+5/50 45/42+15/25 45/42+5/75 45/42+35/25