Add 12/21 and 90/96
12/21 + 90/96 is 169/112.
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,
12/21 = 12 × 32/21 × 32 = 384/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
90/96 = 90 × 7/96 × 7 = 630/672 - Add the two like fractions:
384/672 + 630/672 = 384 + 630/672 = 1014/672 - 1014/672 simplified gives 169/112
- So, 12/21 + 90/96 = 169/112
In mixed form: 157/112
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