Add 54/30 and 12/54
1st number: 1 24/30, 2nd number: 12/54
54/30 + 12/54 is 91/45.
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,
54/30 = 54 × 9/30 × 9 = 486/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Add the two like fractions:
486/270 + 60/270 = 486 + 60/270 = 546/270 - 546/270 simplified gives 91/45
- So, 54/30 + 12/54 = 91/45
In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+24/54 54/60+12/54 54/30+36/54 54/90+12/54 54/30+60/54 54/30+84/54