Add 7/42 and 72/60
1st number: 7/42, 2nd number: 1 12/60
7/42 + 72/60 is 41/30.
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,
7/42 = 7 × 10/42 × 10 = 70/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Add the two like fractions:
70/420 + 504/420 = 70 + 504/420 = 574/420 - 574/420 simplified gives 41/30
- So, 7/42 + 72/60 = 41/30
In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+72/60 7/84+72/60 21/42+72/60 35/42+72/60 49/42+72/60