Add 35/30 and 1/42
1st number: 1 5/30, 2nd number: 1/42
35/30 + 1/42 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Add the two like fractions:
245/210 + 5/210 = 245 + 5/210 = 250/210 - 250/210 simplified gives 25/21
- So, 35/30 + 1/42 = 25/21
In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+1/42 35/30+2/42 35/60+1/42 35/30+1/84 35/30+3/42 35/90+1/42 35/30+5/42 35/30+7/42