Add 20/15 and 12/16
1st number: 1 5/15, 2nd number: 12/16
20/15 + 12/16 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
20/15 = 20 × 16/15 × 16 = 320/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
12/16 = 12 × 15/16 × 15 = 180/240 - Add the two like fractions:
320/240 + 180/240 = 320 + 180/240 = 500/240 - 500/240 simplified gives 25/12
- So, 20/15 + 12/16 = 25/12
In mixed form: 21/12
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