Add 15/40 and 45/75
15/40 + 45/75 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
15/40 = 15 × 15/40 × 15 = 225/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
45/75 = 45 × 8/75 × 8 = 360/600 - Add the two like fractions:
225/600 + 360/600 = 225 + 360/600 = 585/600 - 585/600 simplified gives 39/40
- So, 15/40 + 45/75 = 39/40
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