Add 63/42 and 2/30
1st number: 1 21/42, 2nd number: 2/30
63/42 + 2/30 is 47/30.
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,
63/42 = 63 × 5/42 × 5 = 315/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Add the two like fractions:
315/210 + 14/210 = 315 + 14/210 = 329/210 - 329/210 simplified gives 47/30
- So, 63/42 + 2/30 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+4/30 63/84+2/30 63/42+2/60 63/42+6/30 63/42+2/90 63/42+10/30 63/42+14/30