Add 54/45 and 7/8
1st number: 1 9/45, 2nd number: 7/8
54/45 + 7/8 is 83/40.
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,
54/45 = 54 × 8/45 × 8 = 432/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
7/8 = 7 × 45/8 × 45 = 315/360 - Add the two like fractions:
432/360 + 315/360 = 432 + 315/360 = 747/360 - 747/360 simplified gives 83/40
- So, 54/45 + 7/8 = 83/40
In mixed form: 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+14/8 54/90+7/8 54/45+7/16 54/45+21/8 54/45+7/24 54/45+35/8 54/45+7/40 54/45+49/8 54/45+7/56