Add 54/42 and 35/30
1st number: 1 12/42, 2nd number: 1 5/30
54/42 + 35/30 is 103/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Add the two like fractions:
270/210 + 245/210 = 270 + 245/210 = 515/210 - 515/210 simplified gives 103/42
- So, 54/42 + 35/30 = 103/42
In mixed form: 219/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+70/30 54/84+35/30 54/42+35/60 54/42+35/90