Add 90/30 and 21/14
1st number: 3 0/30, 2nd number: 1 7/14
90/30 + 21/14 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
90/30 = 90 × 7/30 × 7 = 630/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
21/14 = 21 × 15/14 × 15 = 315/210 - Add the two like fractions:
630/210 + 315/210 = 630 + 315/210 = 945/210 - 945/210 simplified gives 9/2
- So, 90/30 + 21/14 = 9/2
In mixed form: 41/2
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