Add 42/5 and 4/40
1st number: 8 2/5, 2nd number: 4/40
42/5 + 4/40 is 17/2.
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,
4/40 = 4 × 1/40 × 1 = 4/40 - Add the two like fractions:
336/40 + 4/40 = 336 + 4/40 = 340/40 - 340/40 simplified gives 17/2
- So, 42/5 + 4/40 = 17/2
In mixed form: 81/2
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