Add 54/30 and 90/7
1st number: 1 24/30, 2nd number: 12 6/7
54/30 + 90/7 is 513/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
54/30 = 54 × 7/30 × 7 = 378/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
90/7 = 90 × 30/7 × 30 = 2700/210 - Add the two like fractions:
378/210 + 2700/210 = 378 + 2700/210 = 3078/210 - 3078/210 simplified gives 513/35
- So, 54/30 + 90/7 = 513/35
In mixed form: 1423/35
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