Add 21/50 and 72/70
1st number: 21/50, 2nd number: 1 2/70
21/50 + 72/70 is 507/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
21/50 = 21 × 7/50 × 7 = 147/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
72/70 = 72 × 5/70 × 5 = 360/350 - Add the two like fractions:
147/350 + 360/350 = 147 + 360/350 = 507/350 - So, 21/50 + 72/70 = 507/350
In mixed form: 1157/350
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