Add 42/54 and 7/10
42/54 + 7/10 is 133/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
7/10 = 7 × 27/10 × 27 = 189/270 - Add the two like fractions:
210/270 + 189/270 = 210 + 189/270 = 399/270 - 399/270 simplified gives 133/90
- So, 42/54 + 7/10 = 133/90
In mixed form: 143/90
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