Add 40/30 and 63/54
1st number: 1 10/30, 2nd number: 1 9/54
40/30 + 63/54 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
40/30 = 40 × 9/30 × 9 = 360/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
63/54 = 63 × 5/54 × 5 = 315/270 - Add the two like fractions:
360/270 + 315/270 = 360 + 315/270 = 675/270 - 675/270 simplified gives 5/2
- So, 40/30 + 63/54 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+63/54 40/60+63/54 40/90+63/54