Add 14/70 and 21/40
14/70 + 21/40 is 29/40.
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,
14/70 = 14 × 4/70 × 4 = 56/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
21/40 = 21 × 7/40 × 7 = 147/280 - Add the two like fractions:
56/280 + 147/280 = 56 + 147/280 = 203/280 - 203/280 simplified gives 29/40
- So, 14/70 + 21/40 = 29/40
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