Add 54/8 and 12/45
1st number: 6 6/8, 2nd number: 12/45
54/8 + 12/45 is 421/60.
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,
54/8 = 54 × 45/8 × 45 = 2430/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Add the two like fractions:
2430/360 + 96/360 = 2430 + 96/360 = 2526/360 - 2526/360 simplified gives 421/60
- So, 54/8 + 12/45 = 421/60
In mixed form: 71/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+24/45 54/16+12/45 54/8+12/90 54/8+36/45 54/24+12/45 54/8+60/45 54/40+12/45 54/8+84/45 54/56+12/45