Add 90/12 and 70/5
1st number: 7 6/12, 2nd number: 14 0/5
90/12 + 70/5 is 43/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
70/5 = 70 × 12/5 × 12 = 840/60 - Add the two like fractions:
450/60 + 840/60 = 450 + 840/60 = 1290/60 - 1290/60 simplified gives 43/2
- So, 90/12 + 70/5 = 43/2
In mixed form: 211/2
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