Add 21/48 and 42/5
1st number: 21/48, 2nd number: 8 2/5
21/48 + 42/5 is 707/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 5 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 5 × 48 = 240,
42/5 = 42 × 48/5 × 48 = 2016/240 - Add the two like fractions:
105/240 + 2016/240 = 105 + 2016/240 = 2121/240 - 2121/240 simplified gives 707/80
- So, 21/48 + 42/5 = 707/80
In mixed form: 867/80
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