Add 45/30 and 75/4
1st number: 1 15/30, 2nd number: 18 3/4
45/30 + 75/4 is 81/4.
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,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
75/4 = 75 × 15/4 × 15 = 1125/60 - Add the two like fractions:
90/60 + 1125/60 = 90 + 1125/60 = 1215/60 - 1215/60 simplified gives 81/4
- So, 45/30 + 75/4 = 81/4
In mixed form: 201/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+75/4 45/60+75/4 45/30+75/8 45/90+75/4 45/30+75/12 45/30+75/20 45/30+75/28