Add 15/30 and 90/7
1st number: 15/30, 2nd number: 12 6/7
15/30 + 90/7 is 187/14.
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,
15/30 = 15 × 7/30 × 7 = 105/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
90/7 = 90 × 30/7 × 30 = 2700/210 - Add the two like fractions:
105/210 + 2700/210 = 105 + 2700/210 = 2805/210 - 2805/210 simplified gives 187/14
- So, 15/30 + 90/7 = 187/14
In mixed form: 135/14
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