Add 54/30 and 7/4
1st number: 1 24/30, 2nd number: 1 3/4
54/30 + 7/4 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
54/30 = 54 × 2/30 × 2 = 108/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
7/4 = 7 × 15/4 × 15 = 105/60 - Add the two like fractions:
108/60 + 105/60 = 108 + 105/60 = 213/60 - 213/60 simplified gives 71/20
- So, 54/30 + 7/4 = 71/20
In mixed form: 311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+14/4 54/60+7/4 54/30+7/8 54/30+21/4 54/90+7/4 54/30+7/12 54/30+35/4 54/30+7/20 54/30+49/4 54/30+7/28