Add 12/70 and 2/30
12/70 + 2/30 is 5/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Add the two like fractions:
36/210 + 14/210 = 36 + 14/210 = 50/210 - 50/210 simplified gives 5/21
- So, 12/70 + 2/30 = 5/21
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