Add 8/20 and 54/40
1st number: 8/20, 2nd number: 1 14/40
8/20 + 54/40 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
8/20 = 8 × 2/20 × 2 = 16/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
54/40 = 54 × 1/40 × 1 = 54/40 - Add the two like fractions:
16/40 + 54/40 = 16 + 54/40 = 70/40 - 70/40 simplified gives 7/4
- So, 8/20 + 54/40 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+54/40 8/40+54/40 8/20+54/80 24/20+54/40 8/60+54/40 40/20+54/40 56/20+54/40