Add 5/70 and 12/40
5/70 + 12/40 is 13/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Add the two like fractions:
20/280 + 84/280 = 20 + 84/280 = 104/280 - 104/280 simplified gives 13/35
- So, 5/70 + 12/40 = 13/35
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