Add 35/15 and 72/54
1st number: 2 5/15, 2nd number: 1 18/54
35/15 + 72/54 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
35/15 = 35 × 18/15 × 18 = 630/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Add the two like fractions:
630/270 + 360/270 = 630 + 360/270 = 990/270 - 990/270 simplified gives 11/3
- So, 35/15 + 72/54 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+72/54 35/30+72/54 35/45+72/54 35/75+72/54