Add 42/5 and 12/40
1st number: 8 2/5, 2nd number: 12/40
42/5 + 12/40 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
42/5 = 42 × 8/5 × 8 = 336/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Add the two like fractions:
336/40 + 12/40 = 336 + 12/40 = 348/40 - 348/40 simplified gives 87/10
- So, 42/5 + 12/40 = 87/10
In mixed form: 87/10
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