Add 40/5 and 7/49
1st number: 8 0/5, 2nd number: 7/49
40/5 + 7/49 is 57/7.
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,
7/49 = 7 × 5/49 × 5 = 35/245 - Add the two like fractions:
1960/245 + 35/245 = 1960 + 35/245 = 1995/245 - 1995/245 simplified gives 57/7
- So, 40/5 + 7/49 = 57/7
In mixed form: 81/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+7/49 40/5+14/49 40/10+7/49 40/5+7/98 40/5+21/49 40/15+7/49 40/5+35/49 40/25+7/49 40/35+7/49