Add 42/40 and 45/75
1st number: 1 2/40, 2nd number: 45/75
42/40 + 45/75 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
42/40 = 42 × 15/40 × 15 = 630/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
45/75 = 45 × 8/75 × 8 = 360/600 - Add the two like fractions:
630/600 + 360/600 = 630 + 360/600 = 990/600 - 990/600 simplified gives 33/20
- So, 42/40 + 45/75 = 33/20
In mixed form: 113/20
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