Add 27/40 and 30/15
1st number: 27/40, 2nd number: 2 0/15
27/40 + 30/15 is 107/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
30/15 = 30 × 8/15 × 8 = 240/120 - Add the two like fractions:
81/120 + 240/120 = 81 + 240/120 = 321/120 - 321/120 simplified gives 107/40
- So, 27/40 + 30/15 = 107/40
In mixed form: 227/40
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