Add 42/2 and 40/45
1st number: 21 0/2, 2nd number: 40/45
42/2 + 40/45 is 197/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
42/2 = 42 × 45/2 × 45 = 1890/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Add the two like fractions:
1890/90 + 80/90 = 1890 + 80/90 = 1970/90 - 1970/90 simplified gives 197/9
- So, 42/2 + 40/45 = 197/9
In mixed form: 218/9
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