Add 18/40 and 75/28
1st number: 18/40, 2nd number: 2 19/28
18/40 + 75/28 is 219/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
75/28 = 75 × 10/28 × 10 = 750/280 - Add the two like fractions:
126/280 + 750/280 = 126 + 750/280 = 876/280 - 876/280 simplified gives 219/70
- So, 18/40 + 75/28 = 219/70
In mixed form: 39/70
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