Add 30/90 and 42/8
1st number: 30/90, 2nd number: 5 2/8
30/90 + 42/8 is 67/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
30/90 = 30 × 4/90 × 4 = 120/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
42/8 = 42 × 45/8 × 45 = 1890/360 - Add the two like fractions:
120/360 + 1890/360 = 120 + 1890/360 = 2010/360 - 2010/360 simplified gives 67/12
- So, 30/90 + 42/8 = 67/12
In mixed form: 57/12
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