Add 3/4 and 30/40
3/4 + 30/40 is 3/2.
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,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
30/40 + 30/40 = 30 + 30/40 = 60/40 - 60/40 simplified gives 3/2
- So, 3/4 + 30/40 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+30/40 3/4+60/40 3/8+30/40 3/4+30/80 9/4+30/40 3/4+90/40 3/12+30/40 15/4+30/40 3/20+30/40 21/4+30/40 3/28+30/40