Add 30/8 and 20/90
1st number: 3 6/8, 2nd number: 20/90
30/8 + 20/90 is 143/36.
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,
30/8 = 30 × 45/8 × 45 = 1350/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
20/90 = 20 × 4/90 × 4 = 80/360 - Add the two like fractions:
1350/360 + 80/360 = 1350 + 80/360 = 1430/360 - 1430/360 simplified gives 143/36
- So, 30/8 + 20/90 = 143/36
In mixed form: 335/36
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