Add 42/30 and 63/40
1st number: 1 12/30, 2nd number: 1 23/40
42/30 + 63/40 is 119/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
42/30 = 42 × 4/30 × 4 = 168/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Add the two like fractions:
168/120 + 189/120 = 168 + 189/120 = 357/120 - 357/120 simplified gives 119/40
- So, 42/30 + 63/40 = 119/40
In mixed form: 239/40
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