Add 48/42 and 21/45
1st number: 1 6/42, 2nd number: 21/45
48/42 + 21/45 is 169/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
48/42 = 48 × 15/42 × 15 = 720/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
21/45 = 21 × 14/45 × 14 = 294/630 - Add the two like fractions:
720/630 + 294/630 = 720 + 294/630 = 1014/630 - 1014/630 simplified gives 169/105
- So, 48/42 + 21/45 = 169/105
In mixed form: 164/105
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