Add 3/36 and 18/70
3/36 + 18/70 is 143/420.
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,
3/36 = 3 × 35/36 × 35 = 105/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
18/70 = 18 × 18/70 × 18 = 324/1260 - Add the two like fractions:
105/1260 + 324/1260 = 105 + 324/1260 = 429/1260 - 429/1260 simplified gives 143/420
- So, 3/36 + 18/70 = 143/420
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