Add 3/8 and 54/45
1st number: 3/8, 2nd number: 1 9/45
3/8 + 54/45 is 63/40.
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,
3/8 = 3 × 45/8 × 45 = 135/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
54/45 = 54 × 8/45 × 8 = 432/360 - Add the two like fractions:
135/360 + 432/360 = 135 + 432/360 = 567/360 - 567/360 simplified gives 63/40
- So, 3/8 + 54/45 = 63/40
In mixed form: 123/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+54/45 3/16+54/45 3/8+54/90 9/8+54/45 3/24+54/45 15/8+54/45 3/40+54/45 21/8+54/45 3/56+54/45