Add 27/15 and 9/40
1st number: 1 12/15, 2nd number: 9/40
27/15 + 9/40 is 81/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
27/15 = 27 × 8/15 × 8 = 216/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Add the two like fractions:
216/120 + 27/120 = 216 + 27/120 = 243/120 - 243/120 simplified gives 81/40
- So, 27/15 + 9/40 = 81/40
In mixed form: 21/40
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