Add 42/4 and 5/45
1st number: 10 2/4, 2nd number: 5/45
42/4 + 5/45 is 191/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
42/4 = 42 × 45/4 × 45 = 1890/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
5/45 = 5 × 4/45 × 4 = 20/180 - Add the two like fractions:
1890/180 + 20/180 = 1890 + 20/180 = 1910/180 - 1910/180 simplified gives 191/18
- So, 42/4 + 5/45 = 191/18
In mixed form: 1011/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+5/45 42/4+10/45 42/8+5/45 42/4+5/90 42/4+15/45 42/12+5/45 42/4+25/45 42/20+5/45 42/4+35/45 42/28+5/45