Add 40/8 and 20/45
1st number: 5 0/8, 2nd number: 20/45
40/8 + 20/45 is 49/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
40/8 = 40 × 45/8 × 45 = 1800/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
20/45 = 20 × 8/45 × 8 = 160/360 - Add the two like fractions:
1800/360 + 160/360 = 1800 + 160/360 = 1960/360 - 1960/360 simplified gives 49/9
- So, 40/8 + 20/45 = 49/9
In mixed form: 54/9
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