Add 12/45 and 3/70
12/45 + 3/70 is 13/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
12/45 = 12 × 14/45 × 14 = 168/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630 - Add the two like fractions:
168/630 + 27/630 = 168 + 27/630 = 195/630 - 195/630 simplified gives 13/42
- So, 12/45 + 3/70 = 13/42
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