Add 40/8 and 35/21
1st number: 5 0/8, 2nd number: 1 14/21
40/8 + 35/21 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
40/8 = 40 × 21/8 × 21 = 840/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
35/21 = 35 × 8/21 × 8 = 280/168 - Add the two like fractions:
840/168 + 280/168 = 840 + 280/168 = 1120/168 - 1120/168 simplified gives 20/3
- So, 40/8 + 35/21 = 20/3
In mixed form: 62/3
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