Add 27/8 and 12/90
1st number: 3 3/8, 2nd number: 12/90
27/8 + 12/90 is 421/120.
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,
27/8 = 27 × 45/8 × 45 = 1215/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
12/90 = 12 × 4/90 × 4 = 48/360 - Add the two like fractions:
1215/360 + 48/360 = 1215 + 48/360 = 1263/360 - 1263/360 simplified gives 421/120
- So, 27/8 + 12/90 = 421/120
In mixed form: 361/120
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