Add 40/25 and 1/21
1st number: 1 15/25, 2nd number: 1/21
40/25 + 1/21 is 173/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
40/25 = 40 × 21/25 × 21 = 840/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
1/21 = 1 × 25/21 × 25 = 25/525 - Add the two like fractions:
840/525 + 25/525 = 840 + 25/525 = 865/525 - 865/525 simplified gives 173/105
- So, 40/25 + 1/21 = 173/105
In mixed form: 168/105
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