Add 3/60 and 75/42
1st number: 3/60, 2nd number: 1 33/42
3/60 + 75/42 is 257/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
75/42 = 75 × 10/42 × 10 = 750/420 - Add the two like fractions:
21/420 + 750/420 = 21 + 750/420 = 771/420 - 771/420 simplified gives 257/140
- So, 3/60 + 75/42 = 257/140
In mixed form: 1117/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60+75/42 3/60+75/84 9/60+75/42 15/60+75/42 21/60+75/42