Add 90/8 and 8/45
1st number: 11 2/8, 2nd number: 8/45
90/8 + 8/45 is 2057/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
90/8 = 90 × 45/8 × 45 = 4050/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
8/45 = 8 × 8/45 × 8 = 64/360 - Add the two like fractions:
4050/360 + 64/360 = 4050 + 64/360 = 4114/360 - 4114/360 simplified gives 2057/180
- So, 90/8 + 8/45 = 2057/180
In mixed form: 1177/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+16/45 90/16+8/45 90/8+8/90 90/8+24/45 90/24+8/45 90/8+40/45 90/40+8/45 90/8+56/45 90/56+8/45