Add 40/15 and 14/42
1st number: 2 10/15, 2nd number: 14/42
40/15 + 14/42 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 560/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Add the two like fractions:
560/210 + 70/210 = 560 + 70/210 = 630/210 - 630/210 simplified gives 3/1
- So, 40/15 + 14/42 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+14/42 40/15+28/42 40/30+14/42 40/15+14/84 40/45+14/42 40/15+70/42 40/75+14/42 40/15+98/42