Add 90/21 and 40/16
1st number: 4 6/21, 2nd number: 2 8/16
90/21 + 40/16 is 95/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
90/21 = 90 × 16/21 × 16 = 1440/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
40/16 = 40 × 21/16 × 21 = 840/336 - Add the two like fractions:
1440/336 + 840/336 = 1440 + 840/336 = 2280/336 - 2280/336 simplified gives 95/14
- So, 90/21 + 40/16 = 95/14
In mixed form: 611/14
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