Add 8/40 and 21/9
1st number: 8/40, 2nd number: 2 3/9
8/40 + 21/9 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
21/9 = 21 × 40/9 × 40 = 840/360 - Add the two like fractions:
72/360 + 840/360 = 72 + 840/360 = 912/360 - 912/360 simplified gives 38/15
- So, 8/40 + 21/9 = 38/15
In mixed form: 28/15
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