Add 70/90 and 42/27
1st number: 70/90, 2nd number: 1 15/27
70/90 + 42/27 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
70/90 = 70 × 3/90 × 3 = 210/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270 - Add the two like fractions:
210/270 + 420/270 = 210 + 420/270 = 630/270 - 630/270 simplified gives 7/3
- So, 70/90 + 42/27 = 7/3
In mixed form: 21/3
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