Add 42/16 and 45/15
1st number: 2 10/16, 2nd number: 3 0/15
42/16 + 45/15 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
42/16 = 42 × 15/16 × 15 = 630/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
45/15 = 45 × 16/15 × 16 = 720/240 - Add the two like fractions:
630/240 + 720/240 = 630 + 720/240 = 1350/240 - 1350/240 simplified gives 45/8
- So, 42/16 + 45/15 = 45/8
In mixed form: 55/8
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