Add 18/15 and 42/4
1st number: 1 3/15, 2nd number: 10 2/4
18/15 + 42/4 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
18/15 = 18 × 4/15 × 4 = 72/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Add the two like fractions:
72/60 + 630/60 = 72 + 630/60 = 702/60 - 702/60 simplified gives 117/10
- So, 18/15 + 42/4 = 117/10
In mixed form: 117/10
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