Add 4/40 and 5/45
4/40 + 5/45 is 19/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
5/45 = 5 × 8/45 × 8 = 40/360 - Add the two like fractions:
36/360 + 40/360 = 36 + 40/360 = 76/360 - 76/360 simplified gives 19/90
- So, 4/40 + 5/45 = 19/90
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