Add 42/25 and 84/60
1st number: 1 17/25, 2nd number: 1 24/60
42/25 + 84/60 is 77/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
42/25 = 42 × 12/25 × 12 = 504/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
84/60 = 84 × 5/60 × 5 = 420/300 - Add the two like fractions:
504/300 + 420/300 = 504 + 420/300 = 924/300 - 924/300 simplified gives 77/25
- So, 42/25 + 84/60 = 77/25
In mixed form: 32/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+84/60 42/50+84/60 42/75+84/60