Add 4/90 and 63/4
1st number: 4/90, 2nd number: 15 3/4
4/90 + 63/4 is 2843/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
63/4 = 63 × 45/4 × 45 = 2835/180 - Add the two like fractions:
8/180 + 2835/180 = 8 + 2835/180 = 2843/180 - So, 4/90 + 63/4 = 2843/180
In mixed form: 15143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+63/4 4/90+63/8 12/90+63/4 4/90+63/12 20/90+63/4 4/90+63/20 28/90+63/4 4/90+63/28