Add 4/90 and 63/8
1st number: 4/90, 2nd number: 7 7/8
4/90 + 63/8 is 2851/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
4/90 = 4 × 4/90 × 4 = 16/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
63/8 = 63 × 45/8 × 45 = 2835/360 - Add the two like fractions:
16/360 + 2835/360 = 16 + 2835/360 = 2851/360 - So, 4/90 + 63/8 = 2851/360
In mixed form: 7331/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+63/8 4/90+63/16 12/90+63/8 4/90+63/24 20/90+63/8 4/90+63/40 28/90+63/8 4/90+63/56