Add 63/45 and 4/42
1st number: 1 18/45, 2nd number: 4/42
63/45 + 4/42 is 157/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
63/45 = 63 × 14/45 × 14 = 882/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
4/42 = 4 × 15/42 × 15 = 60/630 - Add the two like fractions:
882/630 + 60/630 = 882 + 60/630 = 942/630 - 942/630 simplified gives 157/105
- So, 63/45 + 4/42 = 157/105
In mixed form: 152/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+8/42 63/90+4/42 63/45+4/84 63/45+12/42 63/45+20/42 63/45+28/42