Add 42/28 and 24/40
1st number: 1 14/28, 2nd number: 24/40
42/28 + 24/40 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
42/28 = 42 × 10/28 × 10 = 420/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
24/40 = 24 × 7/40 × 7 = 168/280 - Add the two like fractions:
420/280 + 168/280 = 420 + 168/280 = 588/280 - 588/280 simplified gives 21/10
- So, 42/28 + 24/40 = 21/10
In mixed form: 21/10
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