Add 81/45 and 4/8
1st number: 1 36/45, 2nd number: 4/8
81/45 + 4/8 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
81/45 = 81 × 8/45 × 8 = 648/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
4/8 = 4 × 45/8 × 45 = 180/360 - Add the two like fractions:
648/360 + 180/360 = 648 + 180/360 = 828/360 - 828/360 simplified gives 23/10
- So, 81/45 + 4/8 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/90+4/8 81/45+4/16 81/45+12/8 81/45+4/24 81/45+20/8 81/45+4/40 81/45+28/8 81/45+4/56