Add 2/30 and 30/21
1st number: 2/30, 2nd number: 1 9/21
2/30 + 30/21 is 157/105.
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,
2/30 = 2 × 7/30 × 7 = 14/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
30/21 = 30 × 10/21 × 10 = 300/210 - Add the two like fractions:
14/210 + 300/210 = 14 + 300/210 = 314/210 - 314/210 simplified gives 157/105
- So, 2/30 + 30/21 = 157/105
In mixed form: 152/105
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