Add 35/5 and 30/40
1st number: 7 0/5, 2nd number: 30/40
35/5 + 30/40 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
35/5 = 35 × 8/5 × 8 = 280/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
280/40 + 30/40 = 280 + 30/40 = 310/40 - 310/40 simplified gives 31/4
- So, 35/5 + 30/40 = 31/4
In mixed form: 73/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5+30/40 35/5+60/40 35/10+30/40 35/5+30/80 35/5+90/40 35/15+30/40 35/25+30/40