Add 42/7 and 21/16
1st number: 6 0/7, 2nd number: 1 5/16
42/7 + 21/16 is 117/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
42/7 = 42 × 16/7 × 16 = 672/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
672/112 + 147/112 = 672 + 147/112 = 819/112 - 819/112 simplified gives 117/16
- So, 42/7 + 21/16 = 117/16
In mixed form: 75/16
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