Add 15/30 and 42/16
1st number: 15/30, 2nd number: 2 10/16
15/30 + 42/16 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
15/30 = 15 × 8/30 × 8 = 120/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
42/16 = 42 × 15/16 × 15 = 630/240 - Add the two like fractions:
120/240 + 630/240 = 120 + 630/240 = 750/240 - 750/240 simplified gives 25/8
- So, 15/30 + 42/16 = 25/8
In mixed form: 31/8
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