Add 2/12 and 40/70
2/12 + 40/70 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
2/12 = 2 × 35/12 × 35 = 70/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
40/70 = 40 × 6/70 × 6 = 240/420 - Add the two like fractions:
70/420 + 240/420 = 70 + 240/420 = 310/420 - 310/420 simplified gives 31/42
- So, 2/12 + 40/70 = 31/42
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