Add 1/40 and 12/70
1/40 + 12/70 is 11/56.
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,
1/40 = 1 × 7/40 × 7 = 7/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Add the two like fractions:
7/280 + 48/280 = 7 + 48/280 = 55/280 - 55/280 simplified gives 11/56
- So, 1/40 + 12/70 = 11/56
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