Add 42/8 and 27/90
1st number: 5 2/8, 2nd number: 27/90
42/8 + 27/90 is 111/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
42/8 = 42 × 45/8 × 45 = 1890/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
27/90 = 27 × 4/90 × 4 = 108/360 - Add the two like fractions:
1890/360 + 108/360 = 1890 + 108/360 = 1998/360 - 1998/360 simplified gives 111/20
- So, 42/8 + 27/90 = 111/20
In mixed form: 511/20
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