Add 42/54 and 49/40
1st number: 42/54, 2nd number: 1 9/40
42/54 + 49/40 is 721/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
42/54 = 42 × 20/54 × 20 = 840/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
49/40 = 49 × 27/40 × 27 = 1323/1080 - Add the two like fractions:
840/1080 + 1323/1080 = 840 + 1323/1080 = 2163/1080 - 2163/1080 simplified gives 721/360
- So, 42/54 + 49/40 = 721/360
In mixed form: 21/360
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