Add 1/45 and 42/40
1st number: 1/45, 2nd number: 1 2/40
1/45 + 42/40 is 193/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
1/45 = 1 × 8/45 × 8 = 8/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
8/360 + 378/360 = 8 + 378/360 = 386/360 - 386/360 simplified gives 193/180
- So, 1/45 + 42/40 = 193/180
In mixed form: 113/180
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