Add 27/70 and 28/40
27/70 + 28/40 is 38/35.
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,
27/70 = 27 × 4/70 × 4 = 108/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
28/40 = 28 × 7/40 × 7 = 196/280 - Add the two like fractions:
108/280 + 196/280 = 108 + 196/280 = 304/280 - 304/280 simplified gives 38/35
- So, 27/70 + 28/40 = 38/35
In mixed form: 13/35
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