Add 40/25 and 21/40
1st number: 1 15/25, 2nd number: 21/40
40/25 + 21/40 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
40/25 = 40 × 8/25 × 8 = 320/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
21/40 = 21 × 5/40 × 5 = 105/200 - Add the two like fractions:
320/200 + 105/200 = 320 + 105/200 = 425/200 - 425/200 simplified gives 17/8
- So, 40/25 + 21/40 = 17/8
In mixed form: 21/8
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