Add 5/4 and 72/70
1st number: 1 1/4, 2nd number: 1 2/70
5/4 + 72/70 is 319/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
5/4 = 5 × 35/4 × 35 = 175/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
72/70 = 72 × 2/70 × 2 = 144/140 - Add the two like fractions:
175/140 + 144/140 = 175 + 144/140 = 319/140 - So, 5/4 + 72/70 = 319/140
In mixed form: 239/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4+72/70 5/8+72/70 15/4+72/70 5/12+72/70 25/4+72/70 5/20+72/70 35/4+72/70 5/28+72/70