Add 14/30 and 54/42
1st number: 14/30, 2nd number: 1 12/42
14/30 + 54/42 is 184/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Add the two like fractions:
98/210 + 270/210 = 98 + 270/210 = 368/210 - 368/210 simplified gives 184/105
- So, 14/30 + 54/42 = 184/105
In mixed form: 179/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30+54/42 14/60+54/42 14/30+54/84 42/30+54/42 14/90+54/42 70/30+54/42 98/30+54/42