Add 3/45 and 81/8
1st number: 3/45, 2nd number: 10 1/8
3/45 + 81/8 is 1223/120.
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,
3/45 = 3 × 8/45 × 8 = 24/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
81/8 = 81 × 45/8 × 45 = 3645/360 - Add the two like fractions:
24/360 + 3645/360 = 24 + 3645/360 = 3669/360 - 3669/360 simplified gives 1223/120
- So, 3/45 + 81/8 = 1223/120
In mixed form: 1023/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+81/8 3/90+81/8 3/45+81/16 9/45+81/8 3/45+81/24 15/45+81/8 3/45+81/40 21/45+81/8 3/45+81/56