Add 42/40 and 32/45
1st number: 1 2/40, 2nd number: 32/45
42/40 + 32/45 is 317/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
32/45 = 32 × 8/45 × 8 = 256/360 - Add the two like fractions:
378/360 + 256/360 = 378 + 256/360 = 634/360 - 634/360 simplified gives 317/180
- So, 42/40 + 32/45 = 317/180
In mixed form: 1137/180
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