Add 42/12 and 70/10
1st number: 3 6/12, 2nd number: 7 0/10
42/12 + 70/10 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
42/12 = 42 × 5/12 × 5 = 210/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
70/10 = 70 × 6/10 × 6 = 420/60 - Add the two like fractions:
210/60 + 420/60 = 210 + 420/60 = 630/60 - 630/60 simplified gives 21/2
- So, 42/12 + 70/10 = 21/2
In mixed form: 101/2
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