Add 32/30 and 1/21
1st number: 1 2/30, 2nd number: 1/21
32/30 + 1/21 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
32/30 = 32 × 7/30 × 7 = 224/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
1/21 = 1 × 10/21 × 10 = 10/210 - Add the two like fractions:
224/210 + 10/210 = 224 + 10/210 = 234/210 - 234/210 simplified gives 39/35
- So, 32/30 + 1/21 = 39/35
In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/30+1/21 32/30+2/21 32/60+1/21 32/30+1/42 96/30+1/21 32/30+3/21 32/90+1/21 32/30+1/63 32/30+5/21 32/30+7/21