Add 54/45 and 56/35
1st number: 1 9/45, 2nd number: 1 21/35
54/45 + 56/35 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
54/45 = 54 × 7/45 × 7 = 378/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
56/35 = 56 × 9/35 × 9 = 504/315 - Add the two like fractions:
378/315 + 504/315 = 378 + 504/315 = 882/315 - 882/315 simplified gives 14/5
- So, 54/45 + 56/35 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+56/35 54/45+56/70