Add 3/4 and 54/40
1st number: 3/4, 2nd number: 1 14/40
3/4 + 54/40 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
3/4 = 3 × 10/4 × 10 = 30/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
54/40 = 54 × 1/40 × 1 = 54/40 - Add the two like fractions:
30/40 + 54/40 = 30 + 54/40 = 84/40 - 84/40 simplified gives 21/10
- So, 3/4 + 54/40 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+54/40 3/8+54/40 3/4+54/80 9/4+54/40 3/12+54/40 15/4+54/40 3/20+54/40 21/4+54/40 3/28+54/40