Add 42/14 and 21/15
1st number: 3 0/14, 2nd number: 1 6/15
42/14 + 21/15 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
42/14 = 42 × 15/14 × 15 = 630/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
21/15 = 21 × 14/15 × 14 = 294/210 - Add the two like fractions:
630/210 + 294/210 = 630 + 294/210 = 924/210 - 924/210 simplified gives 22/5
- So, 42/14 + 21/15 = 22/5
In mixed form: 42/5
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