Add 4/90 and 63/5
1st number: 4/90, 2nd number: 12 3/5
4/90 + 63/5 is 569/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
63/5 = 63 × 18/5 × 18 = 1134/90 - Add the two like fractions:
4/90 + 1134/90 = 4 + 1134/90 = 1138/90 - 1138/90 simplified gives 569/45
- So, 4/90 + 63/5 = 569/45
In mixed form: 1229/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+63/5 4/90+63/10 12/90+63/5 4/90+63/15 20/90+63/5 4/90+63/25 28/90+63/5 4/90+63/35