Add 72/70 and 49/56
1st number: 1 2/70, 2nd number: 49/56
72/70 + 49/56 is 533/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
49/56 = 49 × 5/56 × 5 = 245/280 - Add the two like fractions:
288/280 + 245/280 = 288 + 245/280 = 533/280 - So, 72/70 + 49/56 = 533/280
In mixed form: 1253/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+98/56