Add 21/14 and 9/42
1st number: 1 7/14, 2nd number: 9/42
2114 + 942 is 127.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
2114 = 21 × 314 × 3 = 6342 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
942 = 9 × 142 × 1 = 942 - Add the two like fractions:
6342 + 942 = 63 + 942 = 7242 - 72/42 simplified gives 127
- So, 21/14 + 9/42 = 12/7
In mixed form: 157
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