Add 18/30 and 54/14
1st number: 18/30, 2nd number: 3 12/14
18/30 + 54/14 is 156/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
54/14 = 54 × 15/14 × 15 = 810/210 - Add the two like fractions:
126/210 + 810/210 = 126 + 810/210 = 936/210 - 936/210 simplified gives 156/35
- So, 18/30 + 54/14 = 156/35
In mixed form: 416/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+54/14 18/60+54/14 18/30+54/28 54/30+54/14 18/90+54/14 18/30+54/42 90/30+54/14 18/30+54/70 18/30+54/98