Add 98/60 and 21/72
1st number: 1 38/60, 2nd number: 21/72
98/60 + 21/72 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
98/60 = 98 × 6/60 × 6 = 588/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Add the two like fractions:
588/360 + 105/360 = 588 + 105/360 = 693/360 - 693/360 simplified gives 77/40
- So, 98/60 + 21/72 = 77/40
In mixed form: 137/40
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