Add 15/16 and 42/45
15/16 + 42/45 is 449/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
15/16 = 15 × 45/16 × 45 = 675/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
42/45 = 42 × 16/45 × 16 = 672/720 - Add the two like fractions:
675/720 + 672/720 = 675 + 672/720 = 1347/720 - 1347/720 simplified gives 449/240
- So, 15/16 + 42/45 = 449/240
In mixed form: 1209/240
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