Add 70/30 and 42/54
1st number: 2 10/30, 2nd number: 42/54
70/30 + 42/54 is 28/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
70/30 = 70 × 9/30 × 9 = 630/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Add the two like fractions:
630/270 + 210/270 = 630 + 210/270 = 840/270 - 840/270 simplified gives 28/9
- So, 70/30 + 42/54 = 28/9
In mixed form: 31/9
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