Add 90/2 and 15/7
1st number: 45 0/2, 2nd number: 2 1/7
90/2 + 15/7 is 330/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
90/2 = 90 × 7/2 × 7 = 630/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
15/7 = 15 × 2/7 × 2 = 30/14 - Add the two like fractions:
630/14 + 30/14 = 630 + 30/14 = 660/14 - 660/14 simplified gives 330/7
- So, 90/2 + 15/7 = 330/7
In mixed form: 471/7
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