Add 8/40 and 28/90
8/40 + 28/90 is 23/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 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 90 × 4 = 360,
28/90 = 28 × 4/90 × 4 = 112/360 - Add the two like fractions:
72/360 + 112/360 = 72 + 112/360 = 184/360 - 184/360 simplified gives 23/45
- So, 8/40 + 28/90 = 23/45
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