Add 7/8 and 45/54
7/8 + 45/54 is 41/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
7/8 = 7 × 27/8 × 27 = 189/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Add the two like fractions:
189/216 + 180/216 = 189 + 180/216 = 369/216 - 369/216 simplified gives 41/24
- So, 7/8 + 45/54 = 41/24
In mixed form: 117/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+45/54 7/8+90/54 7/16+45/54 21/8+45/54 7/24+45/54 35/8+45/54 7/40+45/54 49/8+45/54 7/56+45/54