Add 54/45 and 40/35
1st number: 1 9/45, 2nd number: 1 5/35
54/45 + 40/35 is 82/35.
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,
40/35 = 40 × 9/35 × 9 = 360/315 - Add the two like fractions:
378/315 + 360/315 = 378 + 360/315 = 738/315 - 738/315 simplified gives 82/35
- So, 54/45 + 40/35 = 82/35
In mixed form: 212/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+80/35 54/90+40/35 54/45+40/70