Add 35/30 and 72/54
1st number: 1 5/30, 2nd number: 1 18/54
35/30 + 72/54 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
35/30 = 35 × 9/30 × 9 = 315/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Add the two like fractions:
315/270 + 360/270 = 315 + 360/270 = 675/270 - 675/270 simplified gives 5/2
- So, 35/30 + 72/54 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+72/54 35/60+72/54 35/90+72/54