Add 45/15 and 35/42
1st number: 3 0/15, 2nd number: 35/42
45/15 + 35/42 is 23/6.
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,
45/15 = 45 × 14/15 × 14 = 630/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
35/42 = 35 × 5/42 × 5 = 175/210 - Add the two like fractions:
630/210 + 175/210 = 630 + 175/210 = 805/210 - 805/210 simplified gives 23/6
- So, 45/15 + 35/42 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+35/42 45/15+70/42 45/30+35/42 45/15+35/84 45/75+35/42