Add 12/36 and 5/70
12/36 + 5/70 is 17/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
12/36 = 12 × 35/36 × 35 = 420/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
5/70 = 5 × 18/70 × 18 = 90/1260 - Add the two like fractions:
420/1260 + 90/1260 = 420 + 90/1260 = 510/1260 - 510/1260 simplified gives 17/42
- So, 12/36 + 5/70 = 17/42
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