Add 3/15 and 54/7
1st number: 3/15, 2nd number: 7 5/7
3/15 + 54/7 is 277/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
3/15 = 3 × 7/15 × 7 = 21/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
54/7 = 54 × 15/7 × 15 = 810/105 - Add the two like fractions:
21/105 + 810/105 = 21 + 810/105 = 831/105 - 831/105 simplified gives 277/35
- So, 3/15 + 54/7 = 277/35
In mixed form: 732/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+54/7 3/30+54/7 3/15+54/14 9/15+54/7 3/45+54/7 3/15+54/21 3/75+54/7 3/15+54/35 21/15+54/7 3/15+54/49