Add 70/54 and 24/21
1st number: 1 16/54, 2nd number: 1 3/21
70/54 + 24/21 is 461/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
24/21 = 24 × 18/21 × 18 = 432/378 - Add the two like fractions:
490/378 + 432/378 = 490 + 432/378 = 922/378 - 922/378 simplified gives 461/189
- So, 70/54 + 24/21 = 461/189
In mixed form: 283/189
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