Add 21/45 and 63/96
21/45 + 63/96 is 539/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
21/45 = 21 × 32/45 × 32 = 672/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
63/96 = 63 × 15/96 × 15 = 945/1440 - Add the two like fractions:
672/1440 + 945/1440 = 672 + 945/1440 = 1617/1440 - 1617/1440 simplified gives 539/480
- So, 21/45 + 63/96 = 539/480
In mixed form: 159/480
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