Add 42/40 and 16/30
1st number: 1 2/40, 2nd number: 16/30
42/40 + 16/30 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
16/30 = 16 × 4/30 × 4 = 64/120 - Add the two like fractions:
126/120 + 64/120 = 126 + 64/120 = 190/120 - 190/120 simplified gives 19/12
- So, 42/40 + 16/30 = 19/12
In mixed form: 17/12
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