Add 40/45 and 36/40
40/45 + 36/40 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
40/45 = 40 × 8/45 × 8 = 320/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
36/40 = 36 × 9/40 × 9 = 324/360 - Add the two like fractions:
320/360 + 324/360 = 320 + 324/360 = 644/360 - 644/360 simplified gives 161/90
- So, 40/45 + 36/40 = 161/90
In mixed form: 171/90
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