Add 15/16 and 15/40
15/16 + 15/40 is 21/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
15/40 = 15 × 2/40 × 2 = 30/80 - Add the two like fractions:
75/80 + 30/80 = 75 + 30/80 = 105/80 - 105/80 simplified gives 21/16
- So, 15/16 + 15/40 = 21/16
In mixed form: 15/16
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