Add 40/5 and 28/49
1st number: 8 0/5, 2nd number: 28/49
40/5 + 28/49 is 60/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
40/5 = 40 × 49/5 × 49 = 1960/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
28/49 = 28 × 5/49 × 5 = 140/245 - Add the two like fractions:
1960/245 + 140/245 = 1960 + 140/245 = 2100/245 - 2100/245 simplified gives 60/7
- So, 40/5 + 28/49 = 60/7
In mixed form: 84/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+28/49 40/5+56/49 40/10+28/49 40/5+28/98 40/5+84/49 40/15+28/49 40/25+28/49 40/35+28/49