Add 8/30 and 15/54
8/30 + 15/54 is 49/90.
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,
8/30 = 8 × 9/30 × 9 = 72/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Add the two like fractions:
72/270 + 75/270 = 72 + 75/270 = 147/270 - 147/270 simplified gives 49/90
- So, 8/30 + 15/54 = 49/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+15/54 8/30+30/54 8/60+15/54 24/30+15/54 8/30+45/54 8/90+15/54 40/30+15/54 8/30+75/54 56/30+15/54