Add 9/30 and 90/80
1st number: 9/30, 2nd number: 1 10/80
9/30 + 90/80 is 57/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
9/30 = 9 × 8/30 × 8 = 72/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
72/240 + 270/240 = 72 + 270/240 = 342/240 - 342/240 simplified gives 57/40
- So, 9/30 + 90/80 = 57/40
In mixed form: 117/40
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