Add 7/45 and 42/4
1st number: 7/45, 2nd number: 10 2/4
7/45 + 42/4 is 959/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
42/4 = 42 × 45/4 × 45 = 1890/180 - Add the two like fractions:
28/180 + 1890/180 = 28 + 1890/180 = 1918/180 - 1918/180 simplified gives 959/90
- So, 7/45 + 42/4 = 959/90
In mixed form: 1059/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+42/4 7/45+84/4 7/90+42/4 7/45+42/8 21/45+42/4 7/45+42/12 35/45+42/4 7/45+42/20 49/45+42/4 7/45+42/28