Add 30/2 and 54/45
1st number: 15 0/2, 2nd number: 1 9/45
30/2 + 54/45 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
30/2 = 30 × 45/2 × 45 = 1350/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
54/45 = 54 × 2/45 × 2 = 108/90 - Add the two like fractions:
1350/90 + 108/90 = 1350 + 108/90 = 1458/90 - 1458/90 simplified gives 81/5
- So, 30/2 + 54/45 = 81/5
In mixed form: 161/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+54/45 30/4+54/45 30/2+54/90 90/2+54/45 30/6+54/45 30/10+54/45 30/14+54/45