Add 42/4 and 84/15
1st number: 10 2/4, 2nd number: 5 9/15
42/4 + 84/15 is 161/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
84/15 = 84 × 4/15 × 4 = 336/60 - Add the two like fractions:
630/60 + 336/60 = 630 + 336/60 = 966/60 - 966/60 simplified gives 161/10
- So, 42/4 + 84/15 = 161/10
In mixed form: 161/10
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