Add 42/4 and 63/90
1st number: 10 2/4, 2nd number: 63/90
42/4 + 63/90 is 56/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 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 90 × 2 = 180,
63/90 = 63 × 2/90 × 2 = 126/180 - Add the two like fractions:
1890/180 + 126/180 = 1890 + 126/180 = 2016/180 - 2016/180 simplified gives 56/5
- So, 42/4 + 63/90 = 56/5
In mixed form: 111/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+63/90 42/8+63/90 42/12+63/90 42/20+63/90 42/28+63/90