Add 4/42 and 48/30
1st number: 4/42, 2nd number: 1 18/30
4/42 + 48/30 is 178/105.
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,
4/42 = 4 × 5/42 × 5 = 20/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
48/30 = 48 × 7/30 × 7 = 336/210 - Add the two like fractions:
20/210 + 336/210 = 20 + 336/210 = 356/210 - 356/210 simplified gives 178/105
- So, 4/42 + 48/30 = 178/105
In mixed form: 173/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+48/30 4/42+96/30 4/84+48/30 4/42+48/60 12/42+48/30 4/42+48/90 20/42+48/30 28/42+48/30