Add 40/5 and 50/21
1st number: 8 0/5, 2nd number: 2 8/21
40/5 + 50/21 is 218/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
40/5 = 40 × 21/5 × 21 = 840/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
50/21 = 50 × 5/21 × 5 = 250/105 - Add the two like fractions:
840/105 + 250/105 = 840 + 250/105 = 1090/105 - 1090/105 simplified gives 218/21
- So, 40/5 + 50/21 = 218/21
In mixed form: 108/21
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