Add 42/48 and 25/20
1st number: 42/48, 2nd number: 1 5/20
42/48 + 25/20 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
25/20 = 25 × 12/20 × 12 = 300/240 - Add the two like fractions:
210/240 + 300/240 = 210 + 300/240 = 510/240 - 510/240 simplified gives 17/8
- So, 42/48 + 25/20 = 17/8
In mixed form: 21/8
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