Add 15/16 and 20/25
15/16 + 20/25 is 139/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
15/16 = 15 × 25/16 × 25 = 375/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
20/25 = 20 × 16/25 × 16 = 320/400 - Add the two like fractions:
375/400 + 320/400 = 375 + 320/400 = 695/400 - 695/400 simplified gives 139/80
- So, 15/16 + 20/25 = 139/80
In mixed form: 159/80
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