Add 36/30 and 25/21
1st number: 1 6/30, 2nd number: 1 4/21
36/30 + 25/21 is 251/105.
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,
36/30 = 36 × 7/30 × 7 = 252/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
25/21 = 25 × 10/21 × 10 = 250/210 - Add the two like fractions:
252/210 + 250/210 = 252 + 250/210 = 502/210 - 502/210 simplified gives 251/105
- So, 36/30 + 25/21 = 251/105
In mixed form: 241/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+25/21 36/30+50/21 36/60+25/21 36/30+25/42 36/30+75/21 36/90+25/21 36/30+25/63