Add 3/70 and 9/30
3/70 + 9/30 is 12/35.
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,
3/70 = 3 × 3/70 × 3 = 9/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Add the two like fractions:
9/210 + 63/210 = 9 + 63/210 = 72/210 - 72/210 simplified gives 12/35
- So, 3/70 + 9/30 = 12/35
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