Add 25/42 and 70/60
1st number: 25/42, 2nd number: 1 10/60
25/42 + 70/60 is 37/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
25/42 = 25 × 10/42 × 10 = 250/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Add the two like fractions:
250/420 + 490/420 = 250 + 490/420 = 740/420 - 740/420 simplified gives 37/21
- So, 25/42 + 70/60 = 37/21
In mixed form: 116/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+70/60 25/84+70/60 75/42+70/60