Add 25/8 and 40/15
1st number: 3 1/8, 2nd number: 2 10/15
25/8 + 40/15 is 139/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
25/8 = 25 × 15/8 × 15 = 375/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
40/15 = 40 × 8/15 × 8 = 320/120 - Add the two like fractions:
375/120 + 320/120 = 375 + 320/120 = 695/120 - 695/120 simplified gives 139/24
- So, 25/8 + 40/15 = 139/24
In mixed form: 519/24
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