Add 90/8 and 3/45
1st number: 11 2/8, 2nd number: 3/45
90/8 + 3/45 is 679/60.
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,
3/45 = 3 × 8/45 × 8 = 24/360 - Add the two like fractions:
4050/360 + 24/360 = 4050 + 24/360 = 4074/360 - 4074/360 simplified gives 679/60
- So, 90/8 + 3/45 = 679/60
In mixed form: 1119/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+6/45 90/16+3/45 90/8+3/90 90/8+9/45 90/24+3/45 90/8+15/45 90/40+3/45 90/8+21/45 90/56+3/45