Add 63/15 and 4/42
1st number: 4 3/15, 2nd number: 4/42
63/15 + 4/42 is 451/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
63/15 = 63 × 14/15 × 14 = 882/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210 - Add the two like fractions:
882/210 + 20/210 = 882 + 20/210 = 902/210 - 902/210 simplified gives 451/105
- So, 63/15 + 4/42 = 451/105
In mixed form: 431/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+8/42 63/30+4/42 63/15+4/84 63/15+12/42 63/45+4/42 63/15+20/42 63/75+4/42 63/15+28/42