Add 4/40 and 12/70
4/40 + 12/70 is 19/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Add the two like fractions:
28/280 + 48/280 = 28 + 48/280 = 76/280 - 76/280 simplified gives 19/70
- So, 4/40 + 12/70 = 19/70
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