Add 21/5 and 18/56
1st number: 4 1/5, 2nd number: 18/56
21/5 + 18/56 is 633/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
21/5 = 21 × 56/5 × 56 = 1176/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
1176/280 + 90/280 = 1176 + 90/280 = 1266/280 - 1266/280 simplified gives 633/140
- So, 21/5 + 18/56 = 633/140
In mixed form: 473/140
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