Add 40/8 and 3/45
1st number: 5 0/8, 2nd number: 3/45
40/8 + 3/45 is 76/15.
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,
40/8 = 40 × 45/8 × 45 = 1800/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
3/45 = 3 × 8/45 × 8 = 24/360 - Add the two like fractions:
1800/360 + 24/360 = 1800 + 24/360 = 1824/360 - 1824/360 simplified gives 76/15
- So, 40/8 + 3/45 = 76/15
In mixed form: 51/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+3/45 40/8+6/45 40/16+3/45 40/8+3/90 40/8+9/45 40/24+3/45 40/8+15/45 40/8+21/45 40/56+3/45