Add 45/30 and 42/8
1st number: 1 15/30, 2nd number: 5 2/8
45/30 + 42/8 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
42/8 = 42 × 15/8 × 15 = 630/120 - Add the two like fractions:
180/120 + 630/120 = 180 + 630/120 = 810/120 - 810/120 simplified gives 27/4
- So, 45/30 + 42/8 = 27/4
In mixed form: 63/4
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