Add 2/10 and 3/21
2/10 + 3/21 is 12/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
2/10 = 2 × 21/10 × 21 = 42/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
3/21 = 3 × 10/21 × 10 = 30/210 - Add the two like fractions:
42/210 + 30/210 = 42 + 30/210 = 72/210 - 72/210 simplified gives 12/35
- So, 2/10 + 3/21 = 12/35
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