Add 75/10 and 30/8
1st number: 7 5/10, 2nd number: 3 6/8
75/10 + 30/8 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
75/10 = 75 × 4/10 × 4 = 300/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Add the two like fractions:
300/40 + 150/40 = 300 + 150/40 = 450/40 - 450/40 simplified gives 45/4
- So, 75/10 + 30/8 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+60/8 75/20+30/8 75/10+30/16 75/10+90/8 75/30+30/8 75/10+30/24 75/50+30/8 75/10+30/40 75/70+30/8 75/10+30/56