Add 30/8 and 21/45
1st number: 3 6/8, 2nd number: 21/45
30/8 + 21/45 is 253/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
30/8 = 30 × 45/8 × 45 = 1350/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
21/45 = 21 × 8/45 × 8 = 168/360 - Add the two like fractions:
1350/360 + 168/360 = 1350 + 168/360 = 1518/360 - 1518/360 simplified gives 253/60
- So, 30/8 + 21/45 = 253/60
In mixed form: 413/60
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