Add 90/2 and 30/7
1st number: 45 0/2, 2nd number: 4 2/7
90/2 + 30/7 is 345/7.
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,
30/7 = 30 × 2/7 × 2 = 60/14 - Add the two like fractions:
630/14 + 60/14 = 630 + 60/14 = 690/14 - 690/14 simplified gives 345/7
- So, 90/2 + 30/7 = 345/7
In mixed form: 492/7
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