Add 63/5 and 12/42
1st number: 12 3/5, 2nd number: 12/42
63/5 + 12/42 is 451/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
63/5 = 63 × 42/5 × 42 = 2646/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210 - Add the two like fractions:
2646/210 + 60/210 = 2646 + 60/210 = 2706/210 - 2706/210 simplified gives 451/35
- So, 63/5 + 12/42 = 451/35
In mixed form: 1231/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5+24/42 63/10+12/42 63/5+12/84 63/5+36/42 63/15+12/42 63/5+60/42 63/25+12/42 63/5+84/42 63/35+12/42