Add 3/21 and 32/70
3/21 + 32/70 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
3/21 = 3 × 10/21 × 10 = 30/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
32/70 = 32 × 3/70 × 3 = 96/210 - Add the two like fractions:
30/210 + 96/210 = 30 + 96/210 = 126/210 - 126/210 simplified gives 3/5
- So, 3/21 + 32/70 = 3/5
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