Add 54/10 and 21/72
1st number: 5 4/10, 2nd number: 21/72
54/10 + 21/72 is 683/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
54/10 = 54 × 36/10 × 36 = 1944/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Add the two like fractions:
1944/360 + 105/360 = 1944 + 105/360 = 2049/360 - 2049/360 simplified gives 683/120
- So, 54/10 + 21/72 = 683/120
In mixed form: 583/120
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