Add 40/21 and 54/28
1st number: 1 19/21, 2nd number: 1 26/28
40/21 + 54/28 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
40/21 = 40 × 4/21 × 4 = 160/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
54/28 = 54 × 3/28 × 3 = 162/84 - Add the two like fractions:
160/84 + 162/84 = 160 + 162/84 = 322/84 - 322/84 simplified gives 23/6
- So, 40/21 + 54/28 = 23/6
In mixed form: 35/6
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