Add 70/54 and 45/42
1st number: 1 16/54, 2nd number: 1 3/42
70/54 + 45/42 is 895/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 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 42 × 9 = 378,
45/42 = 45 × 9/42 × 9 = 405/378 - Add the two like fractions:
490/378 + 405/378 = 490 + 405/378 = 895/378 - So, 70/54 + 45/42 = 895/378
In mixed form: 2139/378
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