Add 42/50 and 7/72
42/50 + 7/72 is 1687/1800.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
42/50 = 42 × 36/50 × 36 = 1512/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
7/72 = 7 × 25/72 × 25 = 175/1800 - Add the two like fractions:
1512/1800 + 175/1800 = 1512 + 175/1800 = 1687/1800 - So, 42/50 + 7/72 = 1687/1800
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