Add 2/7 and 54/45
1st number: 2/7, 2nd number: 1 9/45
2/7 + 54/45 is 52/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
2/7 = 2 × 45/7 × 45 = 90/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
54/45 = 54 × 7/45 × 7 = 378/315 - Add the two like fractions:
90/315 + 378/315 = 90 + 378/315 = 468/315 - 468/315 simplified gives 52/35
- So, 2/7 + 54/45 = 52/35
In mixed form: 117/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+54/45 2/14+54/45 2/7+54/90 6/7+54/45 2/21+54/45 10/7+54/45 2/35+54/45 14/7+54/45 2/49+54/45