Add 40/20 and 84/45
1st number: 2 0/20, 2nd number: 1 39/45
40/20 + 84/45 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
360/180 + 336/180 = 360 + 336/180 = 696/180 - 696/180 simplified gives 58/15
- So, 40/20 + 84/45 = 58/15
In mixed form: 313/15
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