Add 18/21 and 40/96
18/21 + 40/96 is 107/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
18/21 = 18 × 32/21 × 32 = 576/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
40/96 = 40 × 7/96 × 7 = 280/672 - Add the two like fractions:
576/672 + 280/672 = 576 + 280/672 = 856/672 - 856/672 simplified gives 107/84
- So, 18/21 + 40/96 = 107/84
In mixed form: 123/84
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