Add 40/10 and 5/21
1st number: 4 0/10, 2nd number: 5/21
40/10 + 5/21 is 89/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
40/10 = 40 × 21/10 × 21 = 840/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
5/21 = 5 × 10/21 × 10 = 50/210 - Add the two like fractions:
840/210 + 50/210 = 840 + 50/210 = 890/210 - 890/210 simplified gives 89/21
- So, 40/10 + 5/21 = 89/21
In mixed form: 45/21
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